This thesis presents the concept of tail dependence in a financial context as one tool to measure dependence in the extremes of a bivariate distribution. Copulae can separate the problem of estimating a multidimensional distribution into the estimation of the marginal distributions and the...

We show that the distribution of any portfolio whose components jointly follow a location-scale mixture of normals can be characterised solely by its mean, variance and skewness. Under this distributional assumption, we derive the mean-variance-skewness frontier in closed form, and show that it...

En este documento analizamos la correlación lineal y la dependencia de colas entre los fondos de cobertura denominados market neutral y la cartera de mercado condicionado en el ciclo económico. Documentamos que la baja correlación entre estos fondos y el índice S&P 500 resulta de la...

Asset allocation is the most influential factor driving investment performance. While researchers have made substantial progress in the field of asset allocation since the introduction of mean-variance framework by Markowitz, there is little agreement about appropriate portfolio choice for...

The traditional Markowitz mean-variance portfolio optimization theory uses volatility as the sole measure of risk. However, volatility is flawed both intuitively and theoretically: being symmetric it does not differentiate between gains and losses; it does not satisfy an expected utility...

Artículo de revista ; The European Central Bank’s and the Federal Reserve’s announcements of unconventional monetary policies have contributed to significantly reducing market perceptions of the probability of extreme macro-financial events. This phenomenon has arisen in periods of intense...

Este documento evalúa el impacto de los anuncios de medidas de política monetaria no convencionales de cuatro grandes bancos centrales (la Reserva Federal, el Banco Central Europeo, el Banco de Inglaterra y el Banco de Japón) sobre las probabilidades de futuras caídas bursátiles. Estas...

Summary of Banco de España Working Paper no. 2127