The possibility of treason by a close associate has been a nightmare of most dictators throughout history. Better informed viziers are also better able to discriminate among potential plotters, and this makes them more risky subordinates for the dictator. To avoid this, dictators, especially...

How can a non-democratic ruler provide proper incentives for state bureaucracy? In the absense of competitive elections and separation of powers, the ruler has to gather information either from a centralized agency such as a secret service or a decentralized source such as media. The danger of...

We study the formation of a ruling coalition in political environments. Each individual is endowed with a level of political power. The ruling coalition consists of a subset of the individuals in the society and decides the distribution of resources. A ruling coalition needs to contain enough...

The possibility of treason by a close associate has been a nightmare of most dictators throughout history. Better informed viziers are also better able to discriminate among potential plotters, and this makes them more risky subordinates for the dictator. To avoid this, dictators, especially...

In dynamic collective decision making, current decisions determine the future distribution of political power and influence future decisions. We develop a general framework to study this class of problems. Under acyclicity, we characterize dynamically stable states as functions of the initial...

A central feature of collective decision-making in many social groups, such as political coalitions, international unions, or private clubs, is that the rules that govern regulations, procedures for future decision-making, and inclusion and exclusion of members are made by the current members...

When voters fear that politicians may have a right-wing bias or that they may be influenced or corrupted by the rich elite, signals of true left-wing conviction are valuable. As a consequence, even a moderate politician seeking reelection chooses "populist' policies - i.e., policies to the left...

We study the formation of a ruling coalition in non-democratic societies where institutions do not enable political commitments. Each individual is endowed with a level of political power. The ruling coalition consists of a subset of the individuals in the society and decides the distribution of...