I provide evidence that fund managers who overweight firms with the most differentiated products ('monopolies') exhibit a superior risk-adjusted performance. This is consistent with information advantages due to a better understanding of qualitative information on a firm's competitive...

To optimally utilize their labor, fund families need to match their portfolio managers' skills with the job requirements of different funds. Fund families make it possible for their managers to try out different funds in a learning-by-trying fashion until they find their best match. After they...

This study provides a comprehensive overview of the use of credit default swaps by U.S. corporate bond funds and analyzes in detail whether certain characteristics of managers, in addition to the fundamentals of a fund, determine how their use these credit derivatives. Results suggest that a...

This study analyzes the loss potential arising from investments into CDS for a sample of large U.S. and German mutual funds. Further, it investigates whether the comments funds make on CDS use in periodic fund reports are consistent with the disclosed CDS holdings. For several funds in the U.S.,...