Political parties that wish to exercise executive power in parliamentary democracies are typically forced to enter some form of coalition. Parties can either form a pre-electoral coalition prior to election or they can compete independently and form a government coalition afterwards. While there is a vast literature on government coalitions, little is known about pre-electoral coalitions. A systematic analysis of these coalitions using a new dataset constructed by the author and presented here contains information on all potential pre-electoral coalition dyads in twenty industrialized parliamentary democracies from 1946 to 1998. Pre-electoral coalitions are more likely to form between ideologically compatible parties. They are also more likely to form when the expected coalition size is large (but not too large) and the potential coalition partners are similar in size. Finally, they are more likely to form if the party system is ideologically polarized and the electoral rules are disproportional.

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In parliamentary democracies, the transfer of power from one government to the next is sometimes characterized by long periods of negotiations in which party leaders bargain over the composition and policy objectives of a new cabinet. Although these delays can have substantial political and economic consequences, surprisingly little is known about their determinants. Moreover, the few studies that exist reach contradictory conclusions. In this article, the author examines how factors relating to uncertainty and bargaining complexity influence the duration of the government formation process in 16 West European countries from 1944 to 1998. In line with the article’s theoretical expectations, the author finds that factors increasing uncertainty over the type of cabinet that is acceptable always lead to delays in forming governments but that factors increasing bargaining complexity, such as the number of parties and ideological polarization in the legislature, only do so when there is sufficient uncertainty among political actors. The present analysis helps to resolve the contradictory findings in the literature.

In recent years, a consensus has developed that the conditional logit (CL) model is the most appropriate strategy for modeling government choice. In this paper, we reconsider this approach and make three methodological contributions. First, we employ a mixed logit with random coefficients that allows us to take account of unobserved heterogeneity in the government formation process and relax the independence of irrelevant alternatives (IIA) assumption. Second, we demonstrate that the procedure used in the literature to test the IIA assumption is biased against finding IIA violations. An improved testing procedure reveals clear evidence of IIA violations, indicating that the CL model is inappropriate. Third, we move beyond simply presenting the sign and significance of model coefficients, suggesting various strategies for interpreting the substantive influence of variables in models of government choice.

The prime ministership is the preeminent political post in parliamentary democracies. Yet few studies examine PM party choice, perhaps under the assumption that the choice is a simple function of party size. In this article, we argue that key strategic actors and the context in which government negotiations take place can play a critical role in PM party choice. We test our hypotheses using a mixed logit with random coefficients on an original data set comprising PM selection opportunities in 28 European countries. Our methodological approach allows us to incorporate qualitative concerns about heterogeneity and causal complexity into our analysis. Contrary to conventional wisdom, we find that the largest party is often disadvantaged when it comes to PM party choice, that some presidents play an influential role in choosing the PM, and that the value of being the incumbent depends on one's performance in office and how the previous government ended.

Existing studies of government duration in parliamentary democracies typically measure the length of a government's tenure in office without accounting for delays in the government formation process. By assuming that a cabinet leaves office on the day prior to the new cabinet taking office, these measures ignore periods during which a government has lost its mandate but is still legally in power as a caretaker government. A consequence is that governments that are actually stable and governments that only appear stable because replacement governments take a long time to form are observationally equivalent. This suggests that some existing studies of government stability are potentially flawed. It also means that a number of interesting research questions cannot be answered with existing data. Many of these questions address the various consequences of caretaker governments. The answers to these questions are relevant for scholars interested in representation and accountability. This article presents a new dataset collected on government duration in eleven Central Eastern European democracies from 1990 to 2008 that specifically takes account of caretaker periods and delays in the government formation process. These data will provide scholars with more flexibility to choose the measure that best reflects their underlying conception of government stability.

The construction of a monetary union with a single currency in Europe raises serious concerns for those who understand the democratic process as one in which social groups compete on different ideological programs. This is because it increasingly constrains national governments of different partisan hues to follow similar fiscal and monetary policies. Recent empirical studies indicate that these concerns might be somewhat misplaced since there is evidence that partisan convergence on macroeconomic policy predates these institutional developments. One problem with these studies, though, is that they fail to include the electoral system as a constraint on partisan behavior. Since electoral systems generate centripetal and centrifugal tendencies, we should expect to find strong evidence for partisan differences only where electoral rules encourage dispersion. We test this argument using data on fiscal policy from European Union countries between 1981 and 1992. We find that there is still no systematic evidence for partisan differences. Given this, it is hard to see how EMU can add to the democratic deficit in the European Union.

That neither the assumptions nor the predictions of standard government formation models entirely correspond to empirical findings has led some to conclude that theoretical accounts of government formation should be reconsidered from the bottom up. We take up this challenge by presenting a zero-intelligence model of government formation. In our model, three or more parties that care about office and policy make random government proposals. The only constraints that we impose on government formation correspond to the two binding constitutional constraints that exist in all parliamentary systems: an incumbent government always exists and all governments must enjoy majority legislative support. Despite its deliberately limited structure, our model predicts distributions over portfolio allocation, government types, and bargaining delays that approach those observed in the real world. Our analysis suggests that many formation outcomes may result from the institutional foundation of parliamentary democracies, independent of the strategic behavior of party leaders.