Recent developments in the theory of choice under uncertainty and risk yield a pessimistic decision theory that replaces the classical expected utility criterion with a Choquet expectation that accentuates the likelihood of the least favorable outcomes. A parallel theory has recently emerged in...

In this paper we study nonparametric estimation and hypothesis testing procedures for the functional coefficient AR (FAR) models of the form Xt = f1(Xt-d)Xt-1 +…+ fp(Xt-d)Xt-p +εt, first proposed by Chen and Tsay (1993). As a direct generalization of the linear AR model, the FAR model is a...

The board of directors plays an important role in implementing corporate governance in the firm, as directors have a fiduciary duty to the firm's shareholders. The effectiveness of directors is a key determinant of corporate value and they need to bring a range of skills and experience to the...

Nowadays, as stressed by important strategic documents like for instance the 2009 EU White Paper on Adaptation or the recent 2009 Copenhagen Accord, it is amply recognized that both mitigation and adaptation strategies are necessary to combat climate change. This paper enriches the rapidly...