Die zunehmende globale Verteilung der Produktion stellt die bestehenden Planungsprozesse international agierender Unternehmen vor große Herausforderungen. Aufgrund der zunehmenden Komplexität der unternehmensinternen Leistungserbringung rückt die Planung des unternehmensinternen...

The quality of the educational system is crucial to the most diverse socioeconomic and cultural aspects of a country. The objective of this paper is highlighting the importance of quality of education to explain the wide income disparities between Brazilian people. In face of such evidence, and...

This paper develops a structural empirical general equilibrium model of aggregate bilateral trade with path dependence of country-pair level exporter status. Such path dependence is motivated through informational costs about serving a foreign market for first-time entry of (firms in) an export...

This paper considers a panel data regression model with heteroskedastic as well as serially correlated disturbances, and derives a joint LM test for homoskedasticity and no first order serial correlation. The restricted model is the standard random individual error component model. It also...