Higher patient cost-sharing is associated with a lower likelihood of treatment augmentation in patients with depression who are treated with antidepressants. Logistic regression models estimated the ...

Methods are presented for analyzing data generated by asking respondents to rank a set of items. Based on a conditional logit model, these methods allow us to estimate and test for differences among ...

A model for binary panel data is introduced which allows for state dependence and unobserved heterogeneity beyond the effect of available covariates. The model is of quadratic exponential type and its ...