This study develops three specification tests for the competing risks duration model. They include a general test for misspecification and specific tests for heterogeneity and defective risk distributions. The last two tests involve null hypotheses located on the boundary of the parameter space...

For many years the NHS has been subject to allegations that gender and racial discrimination are a feature of the internal labour market for qualified nurses. This paper examines this issue with regard to the promotion process using 1994 survey data. We start by rejecting the assumption of...

Microsimulation models are commonly used to examine the distributional impact of reforms of the means-tested benefit system. Take-up behaviour is related to the level of entitlement, so reform may induce changes in take-up. We develop a stochastic simulation method and apply it to a probit model...