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,...

In recent theories of comparative development the role of institutional differences has been crucial. Yet what explains comparative institutional evolution? We investigate this issue by studying the coffee exporting economies of Latin America. While homogeneous in many ways, they experienced...

Many international treaties come into force only after a minimum number of countries have signed and ratified the treaty. Why do countries agree to introduce a minimum participation constraint among the rules characterizing an international treaty? This question is particularly relevant in the...

This paper reviews recent developments in the study of the so-called "double dividend", i.e. the possibility of improving the environment and, at the same time, reducing the distortions of the tax system through revenue-neutral green taxes. Recent modeling advances are considered at both the...

The US decision not to ratify the Kyoto Protocol and the recent outcomes of the Bonn and Marrakech Conferences of the Parties has important implications for both the effectiveness and the efficiency of future climate policies. Among these implications, those related with technical change and...

The main aim of this paper is to estimate the extent to which the Federal Government of the United States insures member states against regional income shocks. We find that a one dollar reduction in a region's per capita personal income triggers a reduction in federal taxes of about 34 cents and...

This Paper considers tax competition and tax harmonization in the presence of agglomeration forces and falling trade costs. With agglomerative forces operating, industry is not indifferent to location in equilibrium, so perfectly mobile capital becomes a quasi-fixed factor. This suggests that...

This Paper analyses the relationship between different equity rules and the incentives to sign and ratify a climate agreement. A widespread conjecture suggests that a more equitable distribution of the burden of reducing emissions would enhance the incentives for more countries – particularly...