This thesis consists of a summary and four papers. The first two papers address political economy and industrial organization aspects of agricultural policy, and the last two international aspects of environmental policy. Paper [1] explains Common Agricultural Policy (CAP) subsidies to farmers...

This paper attempts to explain Common Agricultural Policy (CAP) subsidies to farmers by the in.uence of farmer interest-groups with an EU-wide membership (so called Euro-groups). The analysis is based on panel-data for .fteen commodities over the period 1986-2003. Because the CAP is set as an...

This paper deals with environmental policy in an economic federation, where each national government faces a mixed tax problem. We assume that the federal government sets emission targets, which are implemented at the national level. We also assume that the economic federation is decentralized,...

This paper uses the Bresnahan-Lau framework to analyze whether policy reforms specifically affecting Swedish dairy cooperatives, i.e. the two-price system (an input quota, 1986-1991) and the general deregulation of dairy policy (1991-1994), had any market power effects on the Swedish butter...

In this paper, we consider the welfare effects of environmental policy cooperation in a two-country economy. We assume that the countries finance their public expenditures by using distortionary taxes, and that the countries differ with respect to competition in the labor market. The purpose is...