In this paper the author estimates the effect of the Helsinki agreement and economic factors on sulfur emissions using data from 25 European coutnries. To allow for self-selection into the agreement, a treatment effect model was estimated using the Heckman two-step procedure.

In empirical productivity analysis it has become customary to use flexible functional forms to represent a firm's production technology by estimating cost functions. In this note we suggest a procedure to calculate the region where an estimated translog cost function meet the required...

A common Nordic power market will reduce total CO2 emissions in the Nordic countries as compared to a situation of autarky and, thus, reduce the aggregate cost of complying to strict national CO2 emission targets. A common market for CO2 emissions permits may reduce the aggregate cost further,...

Empirical studies in family economics usually rely on questionnaires, statistical or panel data. Here we try to study experimentally some crucial aspects of engaging in a marriage. First the female partner can end the relationship or suggest one of the two forms of joint venture. Whereas a full...

The divorce rate in Norway has increased sharply since the 1960s, and today Norway ranks among the countries with the highest divorce rates in Europe. In this paper we estimate determinants of marital instabilities.