This paper presents a model of electoral accountability to compare the public finance outcomes under a presidential-congressional and a parliamentary system. In a presidential-congressional system, contrary to a parliamentary system, there are no endogenous incentives for legislative cohesion,...

A political constitution is like an incomplete contract: it spells out a procedure for making decisions and for delegating power, without specifying the contents of those decisions. This creates a problem: the appointed policymaker could use this power for his own benefit against the interests...