The food-population ratio has two determinants: population and agricultural production. The population is constantly growing, putting pressure on existing resources, which are becoming insufficient. Globally, agricultural production has grown at the same rate as population growth, but at...

Using quarterly data of 58 countries, this paper provides empirical evidence that mobile phone diffusion from 2007 to 2009 is positively influenced by international network effects. Direct and indirect network effects are a result of the international standadization of telecommunication...

This paper studies the effects of differences in worldviews on parents? attitudes towards their children. We use unique German survey data containing questions on worldviews, religion, parental behavior, and socioeconomic variables. Our empirical evidence suggests that people with stronger...

Starting from the literature on decision processes in public choices, aim of the paper is to suggest an integrated methodology to get a choice as much as possible shared and participated joining two different approaches. On one hand there is the "classic" or top-down approach based on...