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...

Purpose: The purpose of this paper is to contribute to the determinants of export performance literature. The authors investigate the effect of firm characteristics on the Douro region wine firms export performance. The authors consider the Douro region, as it has the Portugal highest wine...

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...

Purpose: The purpose of this paper is to empirically examine the macroeconomic determinants of Port wine exports, taking into account the diversity and various quality levels associated with this product. Design/methodology/approach: Port wine is a fortified wine only produced in Portugal. In...

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...