This discussion paper resulted in a publication in the 'European Journal of Operational Research', 2013, 224, 167-179.<P> In a standard TU-game it is assumed that every subset of the player set can form a coalition and earn its worth. One of the first models where restrictions in cooperation are...</p>

See also the article in 'European Journal of Operational Research' (2014), 237, 606-616.<P> In this paper, we analyze cost sharing problems arising from a general service by explicitly taking into account the generated revenues. To this cost-revenue sharing problem, we associate a cooperative game...</p>

We model a firm in an institutional market setting, consisting of a production technology and its governance. The governance consists of a hierarchical firm structure, a cost efficiency parameter,and an internal pay system. The depth of the firm is determined by profit maximization under the...

This discussion paper led to a publication in 'Mathematical Methods of Operations Research', 59, 147-166. <P> Cooperative games on antimatroids are cooperative games restricted by a combinatorial structure which generalize the permission structure. So, cooperative games on antimatroids group...</p>

This discussion paper resulted in a publication in the <A href="http://onlinelibrary.wiley.com/doi/10.1111/ecoj.12074/abstract;jsessionid=368B56AE8F9F0C1A8F686B9FB93B1CCC.f01t02">'Economic Journal'</A>, 2014, 124(579), 1086-1105.<P> We examine the causal effect of commuting distance on workers' wages in a quasi-natural experiments setting using information on all workers in Denmark. We account for endogeneity of distance by...</p></a>

In many countries, wind turbines are constructed as part of a strategy to reduce dependence on fossil fuels. In this paper, we measure the external effect of wind turbines on the transaction prices of nearby houses. A unique house price dataset covering the period 1985-2011 is used, including...

We derive and discuss a general, but simple geographical economics model with congestion, allowing us to explain the economic viability of small and large locations. The model generalizes some previous work and lends itself to analyzing the impact of public policy in terms of infrastructure...