Recently gravity trade models are applied to disaggregated trade data. Here many zeros arecharacteristic. In the presence of excess zeros usual Poisson Pseudo Maximum Likelihood(PPML) is still consistent, the variance covariance matrix however is invalid. Correcteconomic interpretation however...

Motivation of virtually all regional economic integration (REI) initiatives has been prospect of enhanced economic growth. Although REI's role in contributing to growth and development was recognised and acknowledged, its importance in Africa has never been properly outlined. Theoretical...

This paper discusses the nature, importance, and measurement of non-tariff barriers (NTBs) in services trade with particular reference to telecommunications services. It is shown that although more effectively addressed for the telecom sector at the multilateral level than for other service...

This paper presents promising methodologies for modeling and quantifying nontariff barriers (NTB) to trade in the agricultural and food sectors. We limit the analysis to sanitary, phytosanitary, and technical regulations that can have an impact on trade and to methods that provide some...

This paper aims to assess the role of non-tariff barriers (NTBs) for new member states (NMSs) exports in the agri-food sector, in the period just before the EU accession actually stepped into force. The assessment is based on a detailed sectoral gravity model, which was enhanced with inclusion...

Artículo de revista ; The effective departure of the United Kingdom (UK) from the European Union (EU) opens up a new period of relations between the two areas. The current health crisis limits economic policies’ room for manoeuvre to accommodate the costs of transitioning to a new economic...

El mercado de la carne se ha visto afectado por las recientes crisis alimentarias. La decisión del consumo se ve afectada por el precio, y éste por las características del producto y otros factores que pueden influir en la utilidad del consumidor. A través de la metodología de los precios...

Mit zunehmender Globalisierung, nicht zuletzt auch seit den Erweiterungen der Europäischen Union sehen sich Konsumenten mit einer Fülle an Produkten aus einer Vielzahl an Ländern konfrontiert. Doch nicht nur auf Endabnehmer wirken sich diese Veränderung aus, auch gewerbliches Kaufverhalten...

Die vorliegende Arbeit untersucht wissenschaftlich anhand eines theoretischen Modells, wie sich internationale Migration auf die Volkwirtschaft des Aufnahmelandes auswirkt – nicht nur im Rahmen der EU-Osterweiterung. Kapitel eins enthält neben einer Hinführung zum Thema einen allgemeinen...