This thesis consists of four self-contained papers related to the Nordic electricity market. Paper [I] examine how the reform of the Nordic electricity markets has affected competition in the electric power supply market, Nord Pool. The question is if the common power market has been competitive...

This thesis consists of five self-contained papers on factor demand and market power. <p> The main objective of Paper [I] is to analyze potential effects on the Swedish forest sector of a continuing rise in the use of forest resources as a fuel in energy generation. The background to the problem...</p>

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...

The rate of inter-industry job turnover in Swedish manufacturing seems to be driven by the dispersion of profit changes among industries. Shifts in international competitiveness among industries played a central role for explaining this pattern. The rate of intra-industry job turnover among...

This paper tests for market power on the market for biofuels, employing a statistical model and making use of the idea of Granger causality. We use a panel data set of plant specific input prices and quantities of wood chip covering 91 Swedish district heating plants 1990-1996. If quantity...

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...

This short paper proposes a simultaneous equations model formulation for time series of count data. Some of the basic moment properties of the model are obtained. The inclusion of real valued exogenous variables is suggested to be through the parameters of the model. Some remarks on the...

The asymmetric moving average model (asMA) is extended to allow for asymmetric quadratic conditional heteroskedasticity (asQGARCH). The asymmetric parametrization of the conditional variance encompasses the quadratic GARCH model of Sentana (1995). We introduce a framework for testing asymmetries...