This article is concerned with the methodological question of frontier production functions estimation for agriculture, and the appropriateness of regression quantiles, as a useful semi-parametric approach. Better insights are reached using the proposed methodology that provides robust farm...

This paper examines the effects of farm characteristics and government policies in enhancing productivity growth for a sample of Greek farms, using a two-stage procedure. In the 1st-stage, non-parametric estimates of Malmquist index and its decompositions are computed, while a bootstrapping...

This study investigates the existence of long run Purchasing Power Parity (PPP) for the G7 countries (the United States, Canada, Germany, United Kingdom, France, Italy and Japan). Using the unit root test as well as cointegration techniques we have tested the PPP doctrine. The empirical results...

This paper examines whether ownership and increased competitive pressure affect foodretailers’ market power, analysing whether all actors involved in the food supply chaindeviate from the pricing behaviour that exists under perfect competition. A methodproposed by Roeger (1995) is used to...