The fact that crossing a political border dramatically reduces trade flows has been widely documented in the literature. The increasing number of borders has surprisingly attracted much less attention. The number of independent countries has indeed risen from 72 in 1948 to 192 today. This paper...

We model an economy that alternates randomly between abundance and scarcity episodes. We develop an original method to characterize in detail the structure of the Markovian competitive equilibrium. Accumulation and drainage of stocks are the main focuses. Economically appealing comparative...

The debate over a common European energy policy, its necessity and its establishment has been going on for a number of decades. The discussions have been recently brought back into the spotlight by the evolution of energy market fundamentals and the taking into account of environmental...