The Farmer Field School (FFS) is an intensive training program providing farmers with science based knowledge and practices, including integrated pest management (IPM). Recently there has been intensive debate as to whether or not this kind of training has any significant impact. Most case...

Can infrastructure investment win "hearts and minds"? We analyze a famous case in the early stages of dictatorship – the building of the motorway network in Nazi Germany. The Autobahn was one of the most important projects of the Hitler government. It was intended to reduce unemployment, and...

The relationship between infrastructures and productivity has been the subject of an ongoing debate during the last two decades. The available empirical evidence is inconclusive and its interpretation is complicated by econometric problems that have not been fully solved. This paper surveys the...

This paper develops a simple model that can be used to estimate the effectiveness of Cohesion expenditure relative to similar but unsubsidized projects, thereby making it possible to explicitly test an important assumption that is often implicit in estimates of the impact of Cohesion policies....

We postulate a two-region world, comprised of North (calibrated after the US) and South (calibrated after China). Our optimization results show the compatibility of the following three desiderata: (1) Global CO2 emissions follow a conservative path that leads to the stabilization of...

The environmental Kuznets curve (EKC) is a hypothesized relationship between various indicators of environmental degradation and income per capita. As economies get richer environmental impacts first rise but eventually fall. In reality, though some types of environmental degradation have been...