The aim of this paper is to derive a coherent risk measure for heavy tailed GARCH processes using extreme value theory. For the proposed measure, the risk associated to a given portfolio is less than the sum of the stand-alone risks of its components. This measure which is value at risk (VaR),...

Weblogs or blogs have recently received a lot of attention, especially in the business community, with a number of firms encouraging their employees to publish blogs to reach out and connect to a wider audience. It is beginning to be recognized that employee blogs can cast a firm in either a...

Formal testing and estimation of nonlinear relations require a substantial number of observations which are typically lacking in annual models. In this paper, a novel two-step procedure is introduced to model nonlinearities in yearly asset-price based leading indicator models for growth. In the...

This paper analyzes the evidence of non-linearities in the reaction function of the Central Bank of Chile as it relates to its final objective, inflation, and/or to its intermediate objectives defined by the monetary policy transmission channels. The study uses the flexible approach to...

This paper tests for the existence of a non-linear pattern in the process of real economic convergence. It uses a sample of 88 countries for the period 1980-1999.