This thesis consists of a summary and four papers. The first two concerns health care and sickness absence, and the last two pharmaceutical costs and prices. <p> Paper [I] presents an economic federation model which resembles the situation in, for example, Sweden. In the model the state governments...</p>

This paper addresses vertical fiscal externalities in a model where the state governments provide health care and the federal government provides a sickness benefit. Both levels of government tax labor income and policy decisions affect labor income as well as participation in the labor market....

This paper analyzes whether marginal taxation of labor and capital income might be useful second best instruments for internalizing the externalities caused by conspicuous housing consumption, when the government is unable to implement a first best corrective tax on housing wealth. The rationale...

The thesis consists of a summary and four papers, concerned with food consumption, behavior associated with overconsumption of food and analysis of the economic policy reforms designed to improve health. <p> Paper [I] estimates a hedonic price model on breakfast cereal, crisp bread and potato...</p>

This paper concerns optimal taxation and environmental policy in the presence of transboundary environmental damage and labour market distortions, where the latter gives rise to wage bargaining externalities between countries. I consider a decentralized economic federation where the federal...

This paper concerns public provision of a private good in a two-type model with optimal nonlinear income taxation. We assume that the wage rates are determined by bargaining between unions and firms, meaning that the equilibrium is characterized by unemployment. We show that, if the labor market...

This paper concerns optimal income taxation and provision of a state-variable public good under asymmetric information in a two-type overlapping generations model, where people care about their relative consumption. Each individual may compare his/her own current consumption with his/her own...

This paper concerns income and commodity taxation in a multi-jurisdictional <p> framework with transboundary environmental damage. We assume that each jurisdiction <p> is large in the sense that its government is able to influence the world <p> market prices via public policy. In such a framework, a...</p></p></p>

This paper considers a two-type, self-selection, overlapping generations model with nonlinear labor income and capital income taxation and public good provision, when people care about their relative consumption compared to others. In each case, the standard optimality expressions are modified...

This paper deals with optimal income taxation under international outsourcing and FDI. We show how the joint effect of outsourcing and FDI on the optimal marginal income tax rates depends on whether FDI is horizontal or vertical.