This thesis deals with information use as part of the decision making process, when making unique decisions. The focus is set on the specific decision of converting to organic milk production. The thesis seeks to examine how decision making really is conducted in practice and not how it should...

The overall aim of this thesis is to better understand how politics and preferences influence policy outcomes. The thesis consists of two papers that examine two different policy outcomes in Swedish municipalities. Paper I analyzes the effect of income and education on the environmental policy...

The aim of this thesis was to explore the relations and perspectives that members have on the cooperatives they patron. Agricultural cooperatives in the Swedish tradition have often been multipurpose cooperatives, thus serving farmers with a heterogeneous background. For this to be successful,...

The purpose of this paper is to present and document calculations of total costs of 13 different alien invasive species (AIS) in Sweden classified into four different categories; aquatic (bay barnacle, furuncolosis, yellow floating heart, signal crayfish), biodiversity (Iberian slug, Japanese...

This paper develops a stochastic dynamic model for the purpose of optimal site selection of habitats for an umbrella species in Sweden under conditions of uncertainty in the growth of habitat quality of established conservation areas and in acquisition costs. The numerical dynamic model builds...

The thesis consists of four theoretical articles that can be read independently of each other on the common topic - strategic incentives in the management of natural resources. Article I concerns biodiversity conservation of essential species in sustaining the ecosystem. The issue is what forces...

This thesis attempts to integrate ecology and economics into a basis for public decision making concerning environmental resources and problems in coastal zones. It consists of an introduction and four papers that can be read independently of each other. The applications relate to economic...

This dissertation is a set of related articles. The five articles deal with alternative tools and policies for adressing water quality management. The focus of the dissertation is on management decisions of three groups at the catchment level: farmers, other stakeholders and catchment...

The issue of timing and scope of policies to manage invasive species has achieved considerable attention in the economic literature. Whereas many earlier studies compare prevention and control for a single invading species, we focus instead on the optimal balance of adaptation and control when...

Heavy loads of nutrients, i.e. nitrogen and phosphorus, cause severe damages in many waters in the world. This paper develops a model for nutrient trading markets for a sea damaged by both nitrogen and phosphorus and faces a dominant polluter of one or both nutrients. The existence of abatement...