Using export market shares as a measure of international competitiveness, this paper studies wine exports in terms of propensity and intensity. Based on data for the period 1999-2014, a two-part fractional regression model is applied. The results suggest that for importing countries GDP per...

This study analyses recent trends (2006-2018) in Port and Douro wine exports and estimates their macroeconomic determinants. The results of the gravity equation reveal that the purchasing power in importing countries is the most important export determinant of Port and Douro wines. Therefore, in...

This paper investigates the presence of spatial spillovers in firms' productive (in)efficiency. For this purpose, a spatial stochastic frontier model is specified and estimated, accounting for spatial dependence and persistent and transient (in)efficiency. This approach is applied to a panel...

This paper uses firm-level data to investigate the resilience of the Portuguese wine sector's domestic market in the aftermath of the exogenous shock arising from Covid-19. To address this objective, this article applies a fractional response model. The results allow us to confirm that the...

Export activities have become crucial to firms' competitiveness, with determinants of export performance being a challenging field of research, since there is no consensus regarding the explained and explanatory variables or on the econometric methods to be used. Using a panel data of Portuguese...

Europe is the world's largest wine-producing and wine-exporting region. In recent decades, fostered by the liberalization of international trade, the European wine industry has witnessed an acceleration in its exports, but this increase has been far from steady. It has fluctuated considerably in...