Abstract ; Background: The health care reform of 2004 was intended to reduce moral hazard in the statutory health insurance through various financial incentives. An important element of the reform has been the introduction of a per-quarter fee for doctor visits. The second part of the reform has...

Hurdle models based on the zero-truncated Poisson-lognormal distribution are rarely used in applied work, although they incorporate some advantages compared with their negative binomial alternatives. I present a command that enables Stata users to estimate Poisson-lognormal hurdle models. I use...