This paper investigates the complex interrelationships of qualitative socio-economic variables in the context of Boolean Regression. The data forming the basis for this investigation are from the German Micro-census waves of 1996 2002 and comprise about 400 000 observations. Boolean Regression...

Using recently released nationally representative data and a new estimator for fractional probit panel models, this paper reconsiders the relationship between the fraction of exports in total sales and firm characteristics in West and East German manufacturing. Controlling for unobserved firm...

Whereas the literature on additive measurement error has known a considerable treatment, less work has been done for multiplicative noise. In this paper we concentrate on multiplicative measurement error in the covariates, which contrary to additive error not only modi es proportionally the...