In recent years, some major industries in transition economies, such as food and beverage, once epitomised industrial supremacy have lost significant market shares to it.s foreign competitors, both at home and abroad. Recognising the fact once pre-eminent world-wide economic position of former...

The present paper proposes a strategy for estimating panel data models in the presence of sample selection and endogeneity arising from endogenous explanatory variables and unobserved heterogeneity. We propose three alternative tests for selection bias and estimation strategies to correct for...