This paper empirically assesses links between expectations of future health and income on sexual risk taking on a sample of young adults in Cape Town, South Africa. An important contribution of the paper lies in combining a wide range of variables measuring risky sexual behavior such that the...

In this paper, we model the economic incentives surrounding opium crop production at farm level in Afghanistan. Specifically, we examine the impact of eradication policies when opium is used as a means of obtaining credit, and when the crops are produced in sharecropping arrangements. The...

In this paper, we examine whether a minimum level of ensured consumption from a social safety net has the potential of breaking the vicious circle of risk avoidance and low return in African agriculture. We study how the implementation of a social safety net programme in Ethiopia has affected...

This thesis consists of a summary and four self-contained papers. Paper [I] examines whether the implementation of a social safety net programme in Ethiopia has affected the value, risk and composition of farmers’ crop portfolios. The empirical analysis suggests that the value and risk of the...

From economic theory, it is known that consumer loyalty schemes can have lock-in effects resulting in entry barriers and higher prices. This paper concerns consumer loyalty schemes where the main issue is to test the hypothesis that loyalty scheme membership affects the choice of food retailer....

In democracies, elections are the primary mechanism for making politicians act in voters' interests, but voters are unable to prevent that some resources are diverted to political rents. With two levels of government, the rents are reduced if voters require higher beneficial public expenditures...

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.

Today, many countries around the world respond to the global warming and its consequences with various policy instruments such as e.g. taxes, subsidies, emission permit trading, regulations and information campaigns. In the economic literature, policy instruments have typically been analyzed...

From economic theory, it is known that consumer loyalty schemes can have lock-in effects resulting in entry barriers and higher prices. This paper concerns consumer loyalty schemes where the main issue is to test the hypothesis that loyalty scheme membership affects the choice of food retailer....

This paper studies the effects of the Swedish child-care fee reform on public expenditures and taxation in the municipalities. The reform implied a common system of child-care fees among all the municipalities and was introduced in 2002. In order to study its effects, we employ a...