SSRN has given us permission to post the abstracts. Clicking on the hyperlink in the abstract provdes access to the full text for those with the appropriate subscriptions.FEN-APR-MAY-2018FEN-MAR-2018FEN-FEB-2018FEN-JAN-2018FEN-DEC-2017FEN-NOV-2017FEN-OCT-2017FEN-SEP-2017FEN-AUGUST-2017FEN-JULY-2017FEN-JUNE-2017FEN-MAY-2017