We discuss political competition games between Left and Right parties, in which the policy space is two dimensional. One issue is the choice of proportional tax rate, and the second is the allocation of tax revenue between military policies and social welfare policies. On these political issues, the stylized fact is that left-wing parties prefer higher tax rates and lower military expenditure than do right-wing parties. We examine the kinds of political environments in which this fact can be rationalized as the equilibrium outcome of a given political game. By adopting the notion of the party-unanimity Nash equilibrium [Roemer (1998; 1999; 2001; 2005)], not only votersf economic motivations, but also their ideological positions are shown to be crucial factors in explaining stylized party behavior.
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Paper provided by Institute of Economic Research, Hitotsubashi University in its series Discussion Paper Series with number
a503.
Find related papers by JEL classification: C62 - Mathematical and Quantitative Methods - - Mathematical Methods and Programming - - - Existence and Stability Conditions of Equilibrium C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games D72 - Microeconomics - - Analysis of Collective Decision-Making - - - Models of Political Processes: Rent-seeking, Elections, Legislatures, and Voting Behavior D78 - Microeconomics - - Analysis of Collective Decision-Making - - - Positive Analysis of Policy-Making and Implementation
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