In many countries of Asia, the Middle-East and Africa the average age at marriage of both men and women has been rising significantly, while the difference between the average marriage age of men and women has been declining. Moreover, marriage patterns display a form of dualism: educated men...

This paper examines the Olsonian thesis that group is size inversely related to successful collective action. We start with an empirical analysis based on primary data. This data gives information on a set of 21 villages in the Indian Himalayas that collectively monitor to protect and conserve...

In an oligopoly, prior to choosing quantities/prices, each firm has an opportunity to form pair-wise collaborative links with other firms. These pair-wise links defines a collaboration network. We study stable and efficient networks under different types of market competition. We find that...