Izmirlioglu, Yusuf (2010): Voting and Information Aggregation in Parliamentary and Semi-Presidential Democracies.
Download (188kB) | Preview
This paper investigates legislation in parliamentary and semi-presidential democracies where the legislature and the president have formal role in legislation. A proposed law is first voted in the legislature and if it passes, comes to the consideration of the president. I study two prevalent legislative procedures: (i) Single-round legislation where the president's action is final, (ii) Two-round legislation the president's approval enacts the law but after his veto proposal returns to the legislature for rediscussion. In this setup I examine power balance and the efficiency of information aggregation. For this I build a model of strategic voting with incomplete information and analyze different ideological profiles of the president and the homogenous legislature. The president seems powerless in two-round legislation but in equilibrium there are instances he can change the legislation result. Power struggle arises only when the legislature is modernist and the president is conservative. If the legislature is conservative and the president is modernist, the president has no impact on the outcome, but adversely affects informational efficiency. If they have the same ideological bias, the presidential institution is beneficial and the president's existence provides full information aggregation with finite legislature size in single-round legislation. Above results can be generalized to heterogeneous legislature with two types, except full information aggregation is never achieved.
|Item Type:||MPRA Paper|
|Original Title:||Voting and Information Aggregation in Parliamentary and Semi-Presidential Democracies|
|English Title:||Voting and Information Aggregation in Parliamentary and Semi-Presidential Democracies|
|Keywords:||Voting, Information aggregation efficiency, Ideological bias, Power, Unicameral, Parliamentary, Semi-presidential, Democracy|
|Subjects:||D - Microeconomics > D7 - Analysis of Collective Decision-Making > D78 - Positive Analysis of Policy-Making and Implementation
D - Microeconomics > D7 - Analysis of Collective Decision-Making > D72 - Political Processes: Rent-Seeking, Lobbying, Elections, Legislatures, and Voting Behavior
D - Microeconomics > D8 - Information, Knowledge, and Uncertainty > D82 - Asymmetric and Private Information; Mechanism Design
|Depositing User:||Yusuf Izmirlioglu|
|Date Deposited:||02. Sep 2010 12:44|
|Last Modified:||16. Feb 2013 02:39|
 Austen-Smith D. and Banks J. S. (1996) �Information Aggregation, Rationality,and the Condorcet Jury Theorem�, American Political Science Review vol. 90, pp 34-45.
 Feddersen T. J. and Pesendorfer W. (1997) �Voting Behavior and Information Aggregation in Elections with Private Information� Econometrica vol. 65 pp. 1029-1058
 Iaryczower, Matias (2008) �Strategic Voting in Sequential Committees�, Working Paper