Most insurance companies publish few data on the occurrence and detection of insurance fraud. This stands in contrast to the previous literature on costly state verification, which has shown that it is optimal to commit to an auditing strategy. The credible announcement of thoroughly auditing...

We analyze the bidding behavior in a strictly descending multi-unit auction where the price decreases continuously without going back to the initial start price once an object is sold. We prove that any equilibrium in the multi-unit descending auction is inefficient. We derive a symmetric...

Due to the specifics of the product electricity and electricity markets, there are considerable doubts whether „energy-only-electricity-markets“ can guarantee a desired level of security of energy supply. If in peak load periods, the price inelastic demand exceeds the supply, there will be...

We analyze the classic moral hazard problem with the additional assumption that agents are inequity averse. The presence of inequity aversion alters the structure of optimal contracts. When the concern for equity becomes more important, there is convergence towards linear sharing rules. The...

The book aims to further our understanding of how economic reasoning and legal expertise complement each other in defining the fundamental issues and principles in competition policy. In specially commissioned chapters the book provides a scholarly review of economic theory, empirical evidence...

Recently, the combinatorial clock auction has become more and more common in the auctioning of telecommunication licenses. Although the auction design is complex, the promise is that bidding becomes simple - truthtelling is ‘close to optimal’. We show that this claim is too strong. The...