Empirical equilibrium search models have attracted a growing interest in recent years. Estimation of such models has not been completely successful, however. This has led researchers to develop more sophisticated versions of the models, in an attempt to get a better fit to the data. This study...

Public sector organizations are important producers of the core geographic information (GI). Data sharing is aggravated by e.g. highly varying policies to sharing and pricing the data. For instance, since the governmental data producer sets the price level high, it seems to restrict innovative...