In den letzten Jahren hat sich die Bioenergieproduktion rasant entwickelt, so dass man mittlerweile von einem "Bioenergieboom" sprechen kann (WBGU 2008: 1). Maßgeblich unterstützt wurde dieser Trend hierzulande durch die starke politische Förderung von Bioenergie sowohl von Seiten der...

Economists use partial and general equilibrium trade simulation models to estimate the impact of changes in domestic policies and international trade rules. During the WTO Doha Development Agenda (DDA) negotiations economists have produced many different estimates of the gains that would result...

This study explores the link between proximity and price cointegration between two markets, where proximity is captured with variables for geographical, political and cultural distance. Linear and threshold cointegration is tested for a set of 756 rice market pairs in 6 West African countries,...

In a meta-analysis of spatial price transmission (PT) literature we aim to test for the presence of distance and border effects on price transmission. We use PT estimates for 1189 cereal market pairs extracted from 57 studies and seek to explain them by airline distance and existence of a...

Most researchers who analyze producers' preferences under uncertainty report that producers are averse towards risk and ambiguity scenarios. This aversion has an influence on producers' decision-making processes; hence the relevance of determining and analyzing these preferences as a key factor...

Zusammenfassung In vielen Studien werden die Erkenntnisse der Cointegrationstheorie bei der Bestimmung symmetrischer Preisanpassungen auf räumlich oder vertikal getrennten Märkten umgesetzt. Bei der Identifikation asymmetrischer Preisanpassungsprozesse hingegen wird immer noch der Ansatz von...

There is no consensus on what defines a reference for the world rice price. A review on rice as a differentiated commodity shed two important insights. First, it confirms that few studies have considered segmentation of rice in their price analysis. Second, Thai 5% brokens has often been...

The policy preference function (PPF) approach has become popular with economists seeking to explain the origin of government policies. In this paper, a distinction between positive and normative work with the PPF concept is made. Positive work is shown to suffer from a variety of shortcomings...