Abstract This paper proposes an analysis of both doctors and patients' behavior in an agency model that accounts for the interplay between two highly debated health issues: drug advertising toward doctors and/or patients, and the serious problem of patients' noncompliance with their doctors'...

[...]We observe several trends in payment timing from 1998 to2006. After 2000, the peak in payment activity shifts to laterin the day. Indeed, post-2000, a greater concentration ofpayments occurs after 17:00. At the same time, however, severalfactors have been associated with increased payment...