The positive correlation between the absolute price elasticity of telecommunications demand and the distance of the calling relation is well known. In this paper we first present a meta-analysis of existing studies to buttress the distance dependence empirically. The analysis confirms the...

This paper presents a new approach to the analysis of spatial sustainability, with a particular view on agriculture. After a methodological introduction, a new tool - the so-called Flag model - is introduced in order to assess the degree of sustainability of various policy alternatives. The...