REVISITING THE DEMOCRATIC CIVIL PEACE HYPOTHESIS: ELECTORAL DEMOCRACY AND CIVIL CONFLICT* Henrikas Bartusevičius Department of Government University of Essex [email protected] Svend-Erik Skaaning Department of Political Science Aarhus University [email protected] Abstract The democratic civil peace hypothesis has generated considerable debate in conflict research. This debate has centered on three general claims: democracies have lower risk of civil conflict; autocracies have as low a risk of civil conflict as democracies; and “anocracies” (or hybrid regimes) have the highest risk of civil conflict. This study presents an argument that more democracy—understood in minimalist, electoral sense—always leads to more civil peace. Whether legislative or executive, elections constitute a major institutional venue for potential contenders to channel their political or socio-economic grievances. The more this venue is restricted, the more the contenders will consider alternative options, including political violence. We test this claim in a global statistical analysis that spans 1816–2008 and employs the newly constructed Lexical Index of Electoral Democracy (LIED). The index is based on binary coding of institutional features of political regimes that are aggregated into a cumulative scale with seven levels, where each level identifies a unique and theoretically meaningful regime type. In line with our argument, we show that hybrid regimes do not have the highest risk of civil conflict. Instead, we demonstrate that electoral regimes outperform non-electoral regimes when it comes to civil peace, and that the effect of electoral democracy is strongest at the stage of minimally competitive elections. * Paper prepared for the 46th Annual Meeting of the Danish Political Science Association, Vejle, Denmark, 23-24 October 2014. First draft, please do not cite. 1 Introduction The idea that democracy leads to civil peace has generated considerable debate in conflict research (Hegre 2014). This debate has centered on three general claims. First, democracies have lower risk of civil conflict, as democratic regimes generally create fewer political grievances and have institutional means to accommodate potential contenders in non-violent ways. Second, autocracies can be as peaceful—or even more peaceful—than democracies, as autocratic regimes have means to repress potential contenders in violent ways. Finally, “anocracies” (or hybrid regimes) are the most conflictprone, as they lack both established institutions to accommodate contenders and sufficient means to repress them (see Auvinen 1997; Fearon and Laitin 2003; Gleditsch, Hegre, and Strand 2009; Gurr 2000; Hegre et al. 2001; Hegre 2014; Muller and Weede 1990; Reynal-Querol 2002). These claims have received considerable support in empirical research. A number of studies have found that the relationship between political regime and the outbreak of civil conflict follows a pattern of an inverted-U, suggesting that the risk of civil conflict is indeed lowest at both ends of the political regime spectrum (i.e., in full democracies and full autocracies) and highest in the middle (see, e.g., Fearon and Laitin 2003; Hegre et al. 2001; Muller and Weede 1990). However, the inverted-U hypothesis has been challenged in a few studies (Collier and Hoeffler 2004; Elbadawi and Sambanis 2002; Vreeland 2008). Most forcefully, Vreeland (2008) has shown that the findings of the previous studies have been affected by endogeneity problems, since the middle values of the Polity index (Marshall, Gurr, and Jaggers 2013), which has been used in most previous studies to identify anocracies, by construction includes regimes already plagued by civil conflicts (see also Strand 2007). We posit that more democracy–understood in minimalist, electoral sense–alwayys leads to more civil peace. In line with Gleditsch and Ruggeri (2010) and Goldstone et al. (2010), we argue that 2 previous studies on regime type and civil conflict have failed to appropriately account for the “middle ground” of the political regime spectrum (see also Fjelde 2010). Most of previous research has relied on measures representing the overall level of democracy such as the Polity index (Marshall et al. 2013) or the Political Rights and Civil Liberties indices (Freedom House 2014) that do not link particular regime characteristics to the different levels of the measures (Skaaning, Gerring, and Bartusevičius 2014; Ravallion 2013). These measures fail to account for the characteristics of regimes theorized to influence civil conflict. As a consequence, previous research has largely failed to provide clear conclusions on the relationship between regime type and civil conflict. Joining few recent studies, that have shifted focus to particular qualities of regimes (Goldstone et al 2010; Fjelde 2010), we center on the relationship between electoral characteristics and onset of civil conflict. In our attempt to shed new light on this relationship, we employ the new Lexical Index of Electoral Democracy (LIED). The LIED classifies regimes into seven ordinal categories based on their electoral characteristics, where all levels signify a particular combination of regime features, with “0” representing no elections and “6” competitive multi-party elections with universal suffrage. Spanning 1800-2013 and including 221 independent polities, the LIED has the most comprehensive coverage among extant measures of political regimes. This allows us to move beyond the conventional post-1945 period, substantially widening the scope of our inferences. We find little evidence to support the inverted-U hypothesis. Indeed, we show that all levels of LIED above 0 negatively affect the risk of civil conflict. Moreover, there seems to be a threshold effect, where the critical distinction is whether elections are genuinely competitive or not. The paper proceeds as follows. Section One reviews previous research on the relationship between political regime and outbreak of civil conflict, highlighting the above mentioned mismatch between theoretical concepts and their empirical proxies; Section Two presents our theoretical 3 framework and specifies the hypotheses on the effects of electoral democracy on civil conflict onset; Section three introduces the LIED and presents the empirical analysis. Section Four summarizes the main results, discusses their implications, and offers suggestions for future research. Regime type and civil conflict: Literature review Building on the democratic peace theory put forward in international relations research, civil conflict researchers have proposed the democratic civil peace hypothesis: democracy decreases the likelihood of domestic armed conflict (Hegre et al. 2001; Krain and Myers 1997). A number of arguments have been suggested in favor of this hypothesis. First, it has been argued that societies in democratic states experience fewer political grievances, as democratic regimes are generally less repressive, politically inclusive, and tolerant (e.g., Gurr 2000). While it does not imply absence of societal discontent (as grievances may arise out of other sources, for example, economy), fewer political grievances means fewer reasons for politically-motivated violence against the state. Second, even if political grievances arise, democratic regimes provide institutional means to address these grievances in non-violent ways. Democratic institutions, most importantly, elections, allow equal opportunities for political contenders to pursue their interests and channel discontent. While such institutions are likely to invite contestation and may mobilize previously inactive groups for political action, they constitute a major–and arguably more attractive–alternative to political violence. The more accommodative the democratic institutions, the less likely that political contenders (and citizens more generally) will pursue their interests using violent means. Finally, leaders of democratic states are confronted with higher political costs than leaders of autocratic states. Through the election of representatives, democratic settings ensure that interests of 4 society are taken into consideration. As domestic armed conflicts incur direct costs to population, decisions to initiate an armed fight might be deemed unpopular. This will most likely be taken into account by leaders willing to stay in power (Hegre 2014: 161). A number of studies have argued, however, that full autocracies are potentially as peaceful as (or even more peaceful) than full democracies. Because of restricted political competition, corruption, and violations of human rights, societies in autocratic settings experience more political grievances than in democratic ones. Yet, unlike in democracies, grievances in autocracies are often successfully contained using repression, reducing the likelihood of civil conflict: Both democracies and non-democracies use military force to counter illegitimate armed opposition, but autocracies may make much more extensive use of repression without losing legitimacy–using violence to silence opponents, censorship, arbitrary imprisonment without trial, etc. Autocracies may indiscriminately target entire population groups to coerce influential individuals…Autocracies also buy off other parts of the opposition by granting ministerial posts and by the selective channeling of public funds…The combination of these two methods allows effective divide-andrule strategies. Autocracies also repress the formation of organizations before they can reach the stage of armed insurgencies (Hegre 2014: 163). While democracies provide institutional means to accommodate contenders in non-violent ways, and autocracies possess effective means to repress contenders in violent ways, it is commonly argued that anocracies usually lack both, which is why regimes falling between the poles of full autocracy and full democracy are the most conflict-prone. The inconsistent nature of hybrid regimes is at the core of this argument: mixing repression–not effective enough to quell political opposition–with the extent of 5 political openness–not sufficient to accommodate the opposition–anocracies provide both opportunities and motivation for civil conflict (Gurr 2000; Hegre et al 2001). Empirical research has provided considerable evidence to support these claims. A number of studies have shown that fully democratic regimes are least likely to experience civil conflict (e.g., Gleditsch and Ruggeri 2010; Hegre et al. 2001) and, more generally, political instabilities (Gates et al. 2006). Though, Goldstone et al. (2010) and Buhaug (2006) have challenged these claims, showing that full autocracies can be as peaceful as full democracies. Most studies, however, seem to have converged on the finding that hybrid regimes are the most conflict-prone, suggesting that the relationship between regime type and civil conflict indeed follows the pattern of an inverted-U (Gleditsch, Hegre, and Strand 2009; Golstone et al. 2010; Fearon and Laitin 2003; Hegre et al. 2001; Mueller and Weede 1990). The inverted-U hypothesis, however, has been challenged in more recent research. Most notably, Vreeland (2008) has demonstrated that results of the previous studies have been affected by endogeneity problems: the middle values of the Polity index (Marshall, Gurr, and Jaggers 2013), which previous studies almost exclusively relied on to proxy for anocracies, include regimes that are already plagued by civil conflicts. When the element of civil conflict is excluded from the index, the middle values seem to have no effect on civil conflict. Moreover, Vreeland has found that substituting the adjusted Polity index with other measures of regime type makes little difference: anocracies have no higher risk of civil conflict than other regimes. The inverted-U hypothesis has also been challenged in a few other studies (Collier and Hoeffler 2004; Elbadawi and Sambanis 2002). We argue that the inconsistencies in the findings of previous research stem from the mismatch between the theorized causal mechanisms through which regime type is proposed to influence civil conflict and the measures used to account for these. As suggested above, anocracies are often thought to experience more civil conflict because of their inability to fully accommodate contenders and, at the 6 same time, to effectively repress them. The measures used to account for these qualities of regimes, however, are usually very crude: they represent the “overall degree of democracy” without linking specific characteristics of regimes to the different levels. A country with a value of “6” on the Polity scale, for example, is considered more democratic than that with a value of “5.” This, however, tells us little about the particular (qualitative) differences between the two regimes in terms of, for example, the institutions regulating the access to political power. Furthermore, the values of Polity index (but also other extant measures of political regimes) are aggregates of many component variables; and different combinations of values on these component variables may lead to the same values on the aggregate index (see Cheibub et al. 2010; Ravallion 2013). This implies that a country, for example, scoring low on repression and high on democratic institutions may be assigned the same overall value as a country scoring low on democratic institutions and high on repression. As a result, such indices generate rather heterogeneous pools of autocracies, anocracies, and democracies, which hinders our ability to distinguish between the exact characteristics of regimes that are associated with civil conflict. Notably, a few recent studies have focused on more specific qualities of political regimes. Goldstone et al. (2010), for example, have emphasized the sub-types of anocracies. They have found that partial democracies with “factionalism” were the most conflict-prone. Further, Fjelde (2010) has shown that electoral multi-party autocracies and military dictatorships have a higher risk of armed conflict than one-party autocracies. We join this recent line of research and propose to specifically focus on electoral qualities of regimes–qualities that are at the center of democracy concept, and that are likely to underlie the regime type-civil conflict nexus. 7 Electoral democracy and civil peace: Theory and hypotheses [in progress] Our overall theoretical argument is straightforward: democracy, when understood in an electoral sense, has negative and generally monotone effect on the risk of civil conflict. We explain this on the following grounds: o First, electoral democracies offer representation as a substitute for political violence, thereby increasing the chances that popular demands will be articulated and taken into account by the relevant governing bodies. o Second, electoral democracies refrain from repression (which often spurs civil conflicts), as elected officials scrutinize governments’ actions and voters punish governments for human rights violations. o Finally, electoral democracies cultivate norms of non-violent political action, since elections are recognized as the sole legitimate mean for access to political power (Davenport 2007; Davenport & Armstrong 2004; Rummel 1997; Hegre 2014). While we propose that there is a negative association between electoral democracy and the onset of civil conflicts, we are less confident about whether the relationship is linear or is best characterized as threshold effect. The main argument for the latter perspective would be that some of the positive effects of democratic institutions only set in when a critical number of them are in place and function more or less in accordance with democratic principles. For example, it might be the case that only when elections are not a mere façade but actually determine who holds legislative and executive power, the mechanisms will be operative. Accordingly, civil war initiations would only become less likely when the political regime is characterized by particular combination of institutions (cf. Davenport and Armstrong 2004). 8 Research Design We have built our benchmark model following the principle of parsimony. Therefore, instead of relying on complex statistical analysis techniques—based on multiple (and often untenable) assumptions—and specifications involving dozens of potentially collinear controls (Schrodt 2014), we have enlisted a standard country-year logistic regression and employed only a limited set of controls, selected based on theoretical criteria. The overall pool of the country-years was taken from our new dataset on the LIED (described below), which uses Correlates of War (2011), Gleditsch (2013), and various countryspecific sources to identify independent countries. The base of the dataset includes 221 unique polities and spans 1800-2013. Lexical Index of Electoral Democracy The LIED focuses on the electoral aspects of democracy. The basic understanding is that “democracy is achieved through competition among leadership groups that vie for the electorate’s approval during periodic elections before a broad electorate” (Skaaning, Gerring, and Bartusevičius 2014: 6; see also Przeworski et al. 2000; Schumpeter 1950; Møller and Skaaning 2013). Similar minimalist conceptions underlie most extant indices of democracy, including the ordinal Polity index (Marshall et al. 2013) or the dichotomous measure of political regime from the Democracy-Dictatorship dataset (Cheibub et al. 2010). The LIED is constructed combining dichotomous indicators of different regime qualities in a systematic fashion, where a series of a necessary and jointly sufficient conditions are arranged in an ordinal scale. Based on six indicators we construct an index with the following values: 0. No elections. 1. No-party or one-party elections. 9 2. Multiparty elections for legislature. 3. Multiparty elections for legislature and executive. 4. Minimally competitive, multiparty elections for legislature and executive. 5. Minimally competitive, multiparty elections with full male or female suffrage for legislature and executive. 6. Minimally competitive, multiparty elections with universal suffrage for legislature and executive. We aggregate the indicators using the cumulative logic of a lexical scale (see Gerring, Skaaning, and Pemstein 2013), where ordering is determined by theoretical considerations over the centrality of particular features to the concept of electoral democracy. Through this procedure our index performs both a classificatory function, as each level is connected to a particular combination of regime features, and a discriminating function, as it distinguishes between the seven levels. Thus, unlike extant indices, the LIED provides an opportunity to investigate the effects of particular qualities of regimes on civil conflict (as opposed to aggregate characteristics). For further details on the index construction see Appendix A. Outcome variable The LIED expands the conventional post-1945 time-span threefold, thereby substantially widening the temporal scope of our inferences. To match the temporal scope of LIED on the left hand side of the equation we employed the data on civil wars from the Expanded War Data that spans 1816–2010 (Gleditsch 2004) (1 May 2013 update). The Expanded War Data is based on the COW Wars v4.0, 1816-2007 dataset (Sarkees and Wayman 2010) and thus employs the original COW definition of intrastate conflict: a sustained combat between a government of a state and non-state actor(s) that results in 10 at least 1000 battle-related deaths over a year, and takes place within a territory of one state (see the original source for full definitions and details). As we exclusively focus on civil wars, our analyses only included those conflicts that took place within the borders of independent states, excluding any overseas colonies. While this criterion results in a somewhat conservative list of civil conflicts, it allows us to effectively exclude all the cases of the socalled “extra-systematic” wars—colonial or anti-colonial conflicts that took place outside the core territories (i.e., in colonial possessions) of SideA’s. We believe that both colonial and anti-colonial wars and civil wars represent qualitative different phenomena. Since this study focused on the outbreak of conflict, country-years after the year of civil war onset were set to 0. In line with previous research (e.g., Buhaug 2006), we have also applied the twoyear intermittency rule. The final sample includes 293 separate civil war onsets, recorded between 1816 and 2008. Control variables Our aim was to isolate the effects of electoral democracy on civil conflict onset—and not to explain as much as possible variation in the outcome variable. Therefore, we limited the set of control variables in the main empirical model to the likely confounders, i.e., variables that were potentially linked to both electoral democracy and civil war onset. Further, to retain as many observations as possible, and avoid potential colinearity problems, we included only the most important confounders (as identified in the literature). These include the absolute level of income, economic growth, and oil wealth. Wealth and economic growth have been shown to be associated with democracy (e.g., Boix and Stokes 2003; Lipset 1959; Przeworski et al. 2000). The absolute level of income and growth has also been shown to vary with civil conflict onset (e.g., Hegre and Sambanis 2006; Miguel, Satyanath, and 11 Sergenti 2004). To account for potential confounding effects of the absolute level of income and growth, we thus include control variables in the form of the natural log of GDP per capita (GDP per capita) and annual GDP per capita growth (GDP per capita growth) (both lagged one year). Data on GDP per capita was taken from Bolt and van Zanden (2013). Further, researchers have shown that democracy levels are negatively related to energy resource wealth, in particular, oil (e.g., Jensen and Wantchekon 2004; Ross 2012) and that oil wealth is also positively associated with the risk of civil conflict onset (Ross 2004). To control for oil wealth effects, we also include in the model the Total oil income per capita (Oil income) from Haber and Menaldo (2011). Following standard practice (e.g., Hegre and Sambanis 2006), we furthermore control for population size (ln) with data from the National Material Capabilities dataset (Singer 1987) and time dependency using peace years with a decay function e^(- peace years / x).1 In additional models we introduce a number of other potential confounders, which we describe below. Table I provides summary statistics for all the variables employed in the analyses below. 1 Where peace years stands for the number of years since the last civil war (or independence). X determines the rate of decay. We followed Hegre et al. (2001) and set X to 4, which halved the effects of the peace years with every additional three years in peace. 12 Table I. Summary statistics Name N Years Mean S.D. Min Max Civil War (COW) (Singer, 1987) 17 169 1800-2008 0.017 0.130 0 1 GDP per capita (ln) (Bolt and Zanden 2013) 10 502 1800-2008 7.856 0.979 5.313 10.667 GDP per capita growth (annual) (Bolt and Zanden 2013) 10 247 1801-2008 1.926 6.277 -61.473 86.900 Total oil income per capita (Haber & Menaldo 2011) 13 659 1800-2006 0.316 2.559 0 78.589 Population size (ln) (Singer 1987) 14 090 1800-2008 8.624 1.761 2.197 14.097 Peace years (with decay function) (authors’ coding) 17 169 1800-2008 0.153 0.292 0 1 Vertical economic inequality (Gini coefficient) 7 024 1946-2008 41.666 10.567 15.9 73.9 Ethno-political exclusion (max exclusion) 7 701 1947-2008 0.071 0.177 0 0.98 Ethno-political discrimination (max discrimination) 7 701 1947-2008 0.161 0.235 0 1 Horizontal economic inequality (max low ration) 7 701 1947-2008 1.197 0.543 1 6.774 MAIN MODEL ADDITIONAL MODELS* *All variables were imported from Cederman, Gleditsch, and Buhaug (2013) Results Table II presents the regression estimates. In line with our expectations, LIED has a negative and highly significantly (p < 0.001) effect on the outbreak of civil war, when regressed separately (Model 1.1). The same is party true when we include GDP per capita and GDP per capita growth into the same block (see Models 1.2 and 1.3): while the effect size and the p-value drops, the coefficient for LIED remains negative and significant at 5% level. We believe the reduction in the p-value is party a consequence of a substantial decrease in the sample size (due to which the analysis drops 76 cases of civil wars). Model 1.4 shows that Oil income per capita has virtually no confounding effect on the relationship between LIED and civil war. 13 Table II. Logistic regression estimates of civil war onset (full sample) (1.1) (1.2) (1.3) (1.4) (1.5) -.177*** (.029) -.079* (.038) -.087* (.040) -.088* (.041) Lexical scale^2 - - - - -.050 (.138) -.007 (.022) i.Lexical scale: - - - - - L1 - - - - - L2 - - - - - L3 - - - - - L4 - - - - - L5 - - - - - GDP per capita(ln) - -.559*** (.101) GDP per capita growth - - -.544*** (.104) -.017 (.013) Total oil income per capita - - - .257*** (.034) 1.425*** (.142) -6.188*** (.332) .201*** (.045) 1.161*** (.191) -1.656* (.796) .196*** (.047) 1.084*** (.201) -1.685* (.834) -.546*** (.110) -.017 (.013) -.029 (.034) .193*** (.049) 1.068*** (.202) -1.621† (.850) -.544*** (.110) -.017 (.013) -.027 (.034) .196*** (.049) 1.072*** (.203) -1.688† (.873) -.715† (.427) -1.255† (.737) -.684* (.272) -.514*** (.109) -.0175 (.013) -.039 (.041) .197*** (.050) .976*** (.207) -1.764* (.891) Wald χ2 250.84 208.43 194.53 201.70 202.58 211.36 N 13936 9960 9745 9545 9545 9545 267 191 179 178 178 178 Lexical scale L6 Population size(ln) Peace years Constant N of civil wars (1.6) -.332 (.230) -.863* (.413) -.027 (.219) Coefficients (β) with robust standard errors in parentheses. †p<.10; *p<.05; **p<.01; ***p<.001. 14 To test the claim that regime type affects the outbreak of civil war in a non-linear fashion, we regressed a quadratic term LIED^2 in the same block. As shown in Model 1.5, the coefficients for both LIED and LIED^2 are negative and insignificant, lending little support for the inverted-U hypothesis. This is largely corroborated in Model 1.6 that includes a “dummy-coded” version of LIED (with Level 0 [no elections] serving as a reference category). The results of this model demonstrate that each of the six levels—compared to Level 0—have negative effects on the outbreak of civil war, though the coefficients for levels L1 and L3 are insignificant. While the coefficient for L1 is close to significance at 10% level (p = .148) the coefficient for L3 is far from achieving statistical significance (p = .901), which, we believe, hints to the potential source of the inconsistencies in the findings of previous studies (an issue we return to below). Additional tests To assess the robustness of these results we implemented a number of additional tests. A time-span of over 200 years contains countries from many different periods and therefore has the potential to introduce heterogeneity problems. One could argue, for example, that findings based on a sample that includes countries from the early 19th century, can hardly be applicable to the countries of contemporary era. To address this consideration, we regressed the same set of variables in a sample limited to 1946–2008 (see Table III), which is the typical time-span covered in the studies of civil conflict onset. As indicated in Model 2.1 the effect of LIED remains negative and significant at 5% level, despite the fact that the sample size drops to just 7036 observations (and the number of civil war onsets to just 139). 15 Table III. Logistic regression estimates of civil war onset (post-1945 sample with additional controls) (2.1) (2.2) (2.3) (2.4) (2.5) (2.6) -.098* (.044) -.106* (.046) -.088† (.049) -.086† (.049) -.086† (-.086) Lexical scale^2 - - - - - -.095 (.179) .002 (.028) i.Lexical scale: - - - - - - L1 - - - - - - L2 - - - - - - L3 - - - - - - L4 - - - - - - -.462*** (.107) -.020 (.015) -.054 (.045) -.469*** (.117) -.022 (.016) .208** (.068) -.006 (.009) -.445*** (.117) -.020 (.016) .207** (.070) -.005 (.009) 1.368*** (.330) -.441*** (.117) -.020 (.016) .205** (.071) -.005 (.009) 1.227** (.477) .184 (.455) -.439*** (.118) -.020 (.016) .205** (.070) -.005 (.009) 1.226** (.477) .187 (.454) -.010 (.125) .203** (.065) .742** (.238) -2.338† (1.211) -.467† (.271) -1.042 (.737) -.117 (.274) -.741* (.307) -.403*** (.121) -.020 (.016) .207** (.068) -.006 (.009) 1.183* (.475) .275 (.459) -.004 (.128) .200** (.068) .677** (.244) -2.394† (1.276) Lexical scale - Gini coefficient - Max exclusion - - Max discrimination - - - Max low ration - - - - .210*** (.053) .890*** (.221) -2.280** (.849) .179** (.059) .833*** (.231) -1.646 (1.182) .199*** (.061) .751*** (.236) -2.260† (1.179) .202*** (.062) .743** (.238) -2.333† (1.204) -.439*** (.118) -.020 (.016) .205** (.070) -.005 (.009) 1.225** (.475) .187 (.454) -.012 (.123) .204** (.065) .742** (.238) -2.347† (1.215) 144.77 111.32 142.30 142.25 143.12 147.24 161.62 N 7036 6317 6275 6275 6275 6275 6275 N of civil wars 139 127 127 127 127 127 127 GDP per capita(ln) GDP per capita growth Total oil income per capita Population size(ln) Peace years Constant Wald χ2 Coefficients (β) with robust standard errors in parentheses. †p<.10; *p<.05; **p<.01; ***p<.001. 16 Limiting the time-span to the post-1945 period, allows for exploring potential confounding effects of additional variables. A large body of recent scholarship has found a robust relationship between horizontal inequalities (i.e., inequalities between groups) and outbreak of civil conflict (e.g., Cederman, Weidmann, and Gleditsch 2011; Buhaug, Cederman, and Gleditsch 2013; Cederman, Gleditsch, and Buhaug 2013). While the relationship between horizontal inequalities and democracy has been less explored, it is likely that economic discrimination or political exclusion on a group level also correlate with electoral qualities of regimes. We therefore introduced into the model two additional variables: horizontal ethno-political inequality—captured by max exclusion (the size of the largest politically excluded group relative to the combined size of the excluded group and the ethnic group(s) in power) and max discrimination (the relative demographic power of the largest ethnic group subject to active discrimination)—and horizontal economic inequality, proxied by max low ration (the relative income gap between the poorest group and the national average). To account for the level of inequality in the total population we also introduced vertical economic inequality proxied by Gini index. The four indices were taken from Cederman, Gleditsch, and Buhaug (2013). As shown in Table III (Models 2.2–2.5), the four indices have little confounding effect on the relationship between LIED and civil war. To tests for the non-linear effects of electoral democracy in the post-1945 period (while also controlling for political and economic inequalities) we similarly regressed LIED and LIED^2 in the same block (Model 2.6) and a dummy-coded version of LIED (Model 2.7) (as there is little variation in suffrage extensions in the post-1945 period we collapsed levels 4 through 6 into a single category, L4). Once again, the estimates provide little support for the inverted-U hypothesis—all four levels have negative coefficients, with L1 and L4 being significant and L2 and L3 insignificant. Once again, while L2 is close to significance at 10% level (p = .136), the coefficient for L3 is far from any conventional level of statistical significance (p = .394). 17 Finally we have tested the sensitivity of the results to alternative measures of the dependent variable. First, we substituted the COW category of civil war with intrastate war form the UCDP/PRIO Armed Conflict Dataset v.4-2011, 1946–2010 (Gleditsch et al. 2002; Themnér and Wallensteen 2011) (further UCDP/PRIO). As shown in the Table IV (Model 3.1), the effect of LIED remains negative and significant at 5% level. In line with previous estimates, we find little evidence to support the inverted-U hypothesis (though note that the coefficient for L2 is now positive, p = .555). Second, we substituted the COW category of civil war with the UCDP/PRIO minor armed conflict, which employs considerably lower threshold of violence (25 battle-related deaths). As shown in Model 4.4, the coefficient for LIED remains negative; yet, it drops below the level of significance (p = .400). Also, unlike in previous models, the L2 and L3 has now positive effect on minor armed conflict onset (though far from statistical significance), which suggests that one should be hesitant to generalize our main findings to low intensity conflict. 18 Table IV. Logistic regression estimates of civil war onset (alternative coding of the dependent variable) UCDP/PRIO (war) Lexical scale (3.1) (3.2) -.112* (.045) .074 (.177) -.030 (.028) Lexical scale^2 - i.Lexical scale: - - L1 - - L2 - - L3 - - L4 - - -.321** (.122) .0123 (.017) .239*** (.060) .006 (.009) 1.039† (.557) -.284 (.509) .204† (.113) .341*** (.065) 1.019*** (.208) -5.426*** (1.341) UCDP/PRIO (minor armed conflict) (3.3) (4.4) (4.5) - -.028 (.033) - - .142 (.132) -.027 (.020) - - - - - - - - - (4.6) - - - -.323** (-.323) .012 (.017) .243*** (.062) .005 (.009) .992† (.553) -.269 (.507) .186 (.117) .353*** (.068) 1.027*** (.208) -5.573*** (1.345) -.405 (.293) .247 (.418) -.030 (.281) -.793** (.291) -.319** (.123) .012 (.017) .240*** (.062) .004 (.009) 1.072† (.577) -.247 (.526) .228† (.117) .335*** (.070) .969*** (.201) -5.284*** (1.389) -.477*** (.091) -.006 (.013) .230*** (.055) .003 (.007) .944* (.436) -.418 (.384) .167† (.096) .280*** (.049) .654*** (.160) -2.789** (.946) -.476*** (.091) -.006 (.013) .233*** (.056) .002 (.007) .905* (.436) -.406 (.384) .152 (.097) .290*** (.050) .661*** (.160) -2.941** (.957) -.295 (.220) .289 (.362) .170 (.213) -.280 (.219) -.473*** (.093) -.006 (.013) .232*** (.056) .001 (.007) .933* (.446) -.404 (.399) .184† (.098) .275*** (.052) .615*** (.157) -2.643** (1.002) 138.31 133.31 138.58 157.03 154.98 161.18 N 6243 6243 6243 6243 6243 6243 N of civil wars 127 127 127 231 231 231 GDP per capita(ln) GDP per capita growth Total oil income per capita Vertical eco. inequality Ethno-political excl. Ethno-political discrim. Horizontal eco. inequality Population size(ln) Peace years Constant Wald χ2 Coefficients (β) with robust standard errors in parentheses. †p<.10; *p<.05; **p<.01; ***p<.001. 19 Discussion [in progress] What are the specific implications of these findings? First and foremost, our analysis provides considerable support to the democratic civil peace hypothesis. We thus concur with Hegre et al. that “There is a democratic civil peace” and that: The most reliable path to stable domestic peace in the long run is to democratize as much as possible. A change in that direction ensures the strongest ratchet effect in terms of consolidating political institutions and makes it less likely that the country will slide back into a state in which it is more prone to civil war (2001: 44) Subsequently, in contrast to a number of previous studies, we find little evidence to support the inverted-U hypothesis. Electoral regimes in the middle range of the political regime spectrum covered by LIED do not have higher risk of civil conflict than non-electoral autocracies. Indeed, the results indicate that all levels of the LIED characterized by national elections have lower probabilities of civil conflict. Further, we find that the most pacifying effect of electoral democracy comes from the values of the LIED representing competitive elections. The fact that our results stand in contrast to multiple previous studies can be explained on several grounds. One explanation is that our conceptualization of electoral democracy does not take into account “non-electoral repression,” which is central to the arguments put forward in support of the inverted-U hypothesis. Moreover, some of the differences are probably also due to the problems with the middle scores of the Polity index emphasized by Vreeland (2008). More generally, our analysis provides a glimpse to the mechanisms underlying the democratic civil peace hypothesis. In contrast to previous research, we have focused on particular qualities 20 of regimes, which has enabled us to shed new light on exact mechanisms through which democracy is thought to influence conflict. 21 Appendix A: Details on Index Construction (extracted from Skaaning, Gerring, and Bartusevičius 2014) To operationalize the levels of the index we make use of four variables from the Political Institutions and Events (PIPE) dataset (Przeworski et al. 2013), defined as follows: LEGSELEC: If there is a legislative body that issues at least some laws and does not perform executive functions and (the lower house of) the legislature is at least partly elected and has not been closed, the variable is scored 1; otherwise 0. EXSELEC: If the chief executive is either directly elected or indirectly elected (i.e., chosen by people who have been elected), the variable is scored 1; otherwise 0. OPPOSITION: If there is an legislature that is at least in part elected by voters facing more than one choice, meaning that all candidates at elections are not presented on the same, single list, there is not only one party while some candidates run as independents, parties are not generally banned and everyone run without party labels, and the legislature has not been dissolved, this variable is scored 1; otherwise 0. FRANCHISE: This variable is divided into two components, which we refer to as MALE SUFFRAGE and FEMALE SUFFRAGE. If there is virtually universal suffrage for male and female citizens, respectively, for national elections, these variables are scored 1; otherwise 0. Restrictions referring to age, criminal convictions, legal incompetence, and local residency are not considered as violations of the suffrage criterion. Since the quality of elections is not taken into account in the foregoing variables, we generate a new variable, as follows: COMPETITION: The chief executive offices and the seats in the effective legislative body are filled by elections characterized by uncertainty, meaning that the elections are, in principle, sufficiently free to enable the opposition to gain power. If control over the key executive and legislative offices is determined, in practice, by the electorate by means of contested elections, the executive and members of the legislature have not been unconstitutionally removed, the legislature has not been dissolved, (non-extremist) 22 parties have not been banned, and the constitutional timing of elections is not violated in a more than marginal fashion, the variable is scored 1; otherwise 0. This indicator captures whether or not elections are contested, that is, whether there is a positive probability that the opposition can win government power (see Przeworski et al. 2000: 15–18; Møller and Skaaning 2013). In common with the DD and the BMR indices, we consider instances of incumbent turnover (as a result of elections) as a strong indicator of contested elections. However, we do not consider executive turnover to be either necessary or sufficient for genuinely contested elections.2 It should be clear that in classifying an election as competitive we are establishing a modest threshold, not insisting on an entirely level playing field or a high level of respect for civil liberties. Specifically, elections are considered competitive if the winner of executive and legislative elections reflects the votes cast by the electorate, as near as can be determined (from extant sources). This state of affairs is reached if opposition candidates are generally free to run for these key offices, voters experience little systematic coercion in exercising their electoral choice, and electoral fraud does not determine who wins. A country-year is assigned the highest score (0–6) for which it fulfills all the requisite criteria, as follows: 0. LEGSELEC=0 & EXSELEC=0. 1. LEGSELEC=1 or EXSELEC=1. 2. LEGSELEC=1 & OPPOSITION=1. 3. LEGSELEC=1 & OPPOSITION=1 & EXSELEC=1. 4. LEGSELEC=1 & OPPOSITION=1 & EXSELEC=1 & COMPETITION=1. 2 It is not necessary since an incumbent party can be sufficiently popular to win a long sequence of genuinely contested elections, as happened for decades in, e.g., Botswana, Japan, and Sweden. It is not sufficient because opposition power can gain power through a flawed election if the incumbents have only weak control on power or have stepped down. That said, in all but a very few cases executive turnover in conjunction with elections is associated with a coding of 1 for COMPETITION. 23 5. LEGSELEC=1 & OPPOSITION=1 & EXSELEC=1 & COMPETITION=1 & (MALE SUFFRAGE=1 or FEMALE SUFFRAGE=1).3 6. LEGSELEC=1 & OPPOSITION=1 & EXSELEC=1 & COMPETITION=1 & MALE SUFFRAGE=1 & FEMALE SUFFRAGE=1. Countries are coded for the length of their sovereign existence within the 1800–2008 timespan, generating a dataset with 220 countries and 17,169 country-years. To identify independent countries we rely on Gleditsch (2013) and Correlates of War (2011), supplemented from 1800 to 1815 by various country-specific sources. Importantly, electoral democracy does not presume complete sovereignty. A polity may be constrained in its actions by other states, by imperial control (as over a colony), by international treaties, or by world markets. Thus, to say that a polity is an electoral democracy is to say that it functions as such for policies over which it enjoys decision-making power. Scores for each indicator reflect the status of a country on the last day of the calendar year (31 December) and are not intended to reflect the mean value of an indicator across the previous 364 days. To qualify as an election the electorate may be quite small—though it must be separable from, and much larger than, the group of officials it is charged with selecting. Examples would be South Africa under Apartheid and virtually all national elections in Europe during the nineteenth century. In measuring universal male and female suffrage we take a juridical approach. Suffrage is achieved when constitutionally prescribed, even though local or informal practices may impede the achievement of this right (as in the American South prior to the Civil Rights movement). This is consistent with the usage of the concept by Schumpeter and Przeworski and also with many extant indices (e.g., Polity2 and DD). Indirect elections do not qualify as “elections” unless the electors endorse specific candidates or parties, as in US presidential elections. Although we employ PIPE as an initial source for coding LEGSELEC, EXSELEC, OPPOSITION, and FRANCHISE (MALE SUFFRAGE and FEMALE SUFFRAGE), we deviate from PIPE codings—based on our reading of country-specific sources—in several ways. First, with respect to executive elections, in the PIPE dataset “Prime ministers are always coded as elected if the legislature is open.” However, for our purposes we need an indicator that also takes into account 3 In no extant cases was universal female suffrage introduced before universal male suffrage, so in practice this level is reserved for countries with male (only) suffrage. 24 whether the government is responsible to an elected parliament if the executive is not directly elected— a situation generated by a number of European monarchies prior to World War I, by episodes of international supervision such as Bosnia-Herzegovina in the first years following the civil war, and by some monarchies in the Middle East and elsewhere (e.g., Liechtenstein, Monaco, and Tonga) in the contemporary era. To illustrate, PIPE codes Denmark as having executive elections from 1849 to 1900 although the parliamentary principle was not established until 1901. Before then, the government was accountable to the king. Among the current cases with elected multiparty legislatures not fulfilling this condition, we find Jordan and Morocco. In order to achieve a higher level of concept-measure consistency, we have thus recoded all country-years (based on country-specific accounts) for this variable where our sources suggested doing so. Moreover, we complete all missing values (and missing countries, e.g., the German principalities of the nineteenth century) in the PIPE dataset, generating a complete dataset for all conditions for all independent countries of the world in the period under study (1800–2008). Whereas the numbers of observations for the employed PIPE indicators range between 14,465 and 15,302, our dataset provides 17,179 observations for all indicators. Except for minor adjustments regarding executive elections (mentioned above), this additional coding follows the rules laid out in the PIPE codebook. 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