The use of traditional industry-level profitability indicators for assessing the state of competition is problematic for two reasons. First, short-term variation reflects business cycles more than it does the impact of competition policy. Second, rough industry-level indicators hide different...

In markets for credence goods sellers are better informed than their customers about the quality that yields the highest surplus from trade. This paper studies second-degree price-discrimination in such markets. It shows that discrimination regards the amount of advice offered to customers and...

Renewable resources provide society with resource rent and surpluses for resource users (the processing industry, consumers) and owners of production factors (capital and labor employed in resource harvesting). We show that resource users and factor owners may favor inefficiently high harvest...

In a model of endogenous choice of location and endogenous aversion against inequality, we demonstrate that large pre-tax difference in income may lead to a residential segregation of rich and poor. Such segregation may reduce the social attachment between the groups in society, and reduce the...