This thesis consists of four papers. The first two papers deal with the valuation of an endangered species, the African elephant. The third paper is on the assessment of attribute values for work trips. The fourth paper models the number of alternative travel modes for work trips. <p> Paper [I]...</p>

This paper deals with optimal income taxation based on a model with households where men and women allocate their time between market work and household production, and where households differ depending on which spouse has comparative advantage in market work. The purpose is to analyze the tax...

The purpose of this paper is to study the intra-household allocation of time to several household production activities using Swedish cross-sectional household data. The Tobit model is rejected in favor of the Cragg model, suggesting that the intra-household time allocation is best modeled by a...

The purpose of this paper is to estimate the intra-family distribution of income and the individual demand for leisure and household production from Swedish cross-sectional household data. As a basis for the analysis, we use a collective model where each individual is characterized by his or her...

The contribution of this book is the explicit recognitation of the importance of endogenous disinvestment activities to a new equilibrium. This is embodied in the condition specifying the economic life of capital to account for obsolescence. This specification provides the formal link between...

In this paper, we analyze the welfare effects of publicly provided health care in an economy where the consumers have "present-biased" preferences due to quasi-hyperbolic discounting. The analysis is based on a two-type model with asymmetric information between the government and the private...

In this paper, we consider how the retirement age as well as a tax financed pension system ought to respond to a change in the standard deviation of the length of life. In a first best framework, where a benevolent government exercises perfect control over the individuals’ labor supply and...

This paper re-examines the question of whether federal ex-post redistribution in terms of public funds leads to under-provision of public goods by adding the assumption that the member states are free to leave the economic federation. We show that federal ex-post redistribution no longer...

This paper deals with tax-policy responses to quasi-hyperbolic discounting. Earlier research on optimal paternalism typically abstracts from capital mobility. If capital is mobile between countries, it may no longer be possible for national governments to control domestic savings via capital...

Economic models of climate policy (or policies to combat other environmental problems) typically neglect psychological adaptation to changing life circumstances. People may adapt or become more sensitive, to different degrees, to a deteriorated environment. The present paper addresses these...