Albouy, Valerie; Davezies, Laurent; Debrand, Thierry - In: Economic Modelling 27 (2010) 4, pp. 791-803
In this article, we focus on the estimation of outpatient expenditures with panel data. We model the logarithm of expenditures and consider five different models. The first two are two-part and sample selection cross-section models. Two-part panel data models turn out to be inappropriate for...