Microarrays enable to measure the expression levels of tens of thousands of genes simultaneously. One important statistical question in such experiments is which of the several thousand genes are differentially expressed. Answering this question requires methods that can deal with multiple...

This thesis investigates the specific characteristics of products from renewable resources and analyses how they affect the choice of efficient coordination mechanisms in business-to-business relationships. Due to the diversity and heterogeneity of renewable resources, this is done by means of...

I develop a model in which the ability to repay a loan is private information that can only be verified by the bank at some costs, which can be recovered from the borrower if it has reported untruthfully. The bank will optimize the resources it spends on this auditing of borrowers and the...

We develop a new measure for disposition effects based on the average length of a trading strategy and whether it is loss-making or profitable. Using this new measure, we are able to evaluate disposition effects in more detail than has been possible previously. We find for the first time the...