This dissertation consists of three projects in matched case-control studies. In the firstproject, we employ a general bias preventive approach developed by Firth (1993) to handlethe bias of an estimator of the log-odds ratio parameter in conditional logistic regression bysolving a modified...

A generalization of the continuous time mutual fund theorem is given, with no assumptions made on the investors utility functions for consumption and final wealth, except that they are time-additive and non-decreasing. The extension is due to a new mathematical approach, using no more than...