Comprehensive studies on the impact of market access on port efficiency are scarce, and the problem that market access indicators are potentially endogenous lacks treatment in maritime economics. This paper offers both theoretical and empirical advances to fill these research gaps. First, it...

This dissertation comprises four pieces of economic research which analyze the efficiency of decision making units with regard to the production of undesirable outputs. These studies are motivated by the challenges arising from the phenomenon of climate change. An analysis of automobiles in the...