This paper reconsiders the ‘curse of resources’ hypothesis for the case of China, and distinguishes between resource abundance, resource rents, and resource dependence. Resource abundance and resource rents are shown to be approximately equivalent, and their association with resource...

We consider the question whether top tennis players in a top tournament (Wimbledon) employ an optimal (efficient) service strategy.We show that top players do not, in general, follow an optimal strategy, and we provide a lower bound of the inefficiency.The inefficiency regarding winning a point...

In this paper we shall be interested in two questions on extremes relating to world records in athletics.The first question is: what is the ultimate world record in a specific athletics event (such as the 100m for men or the high jump for women), given today's state of the art?Our second...