Seminario 15/04: Y. Blasco Martel (U. de Barcelona) – Exitos y fracasos: la red social del Banco de Barcelona 1844-1920


Abstract El Banco de Barcelona se creó en 1844 alrededor de un grupo de individuos que, hacia mediados de la década de 1850, tenían establecida una amplia red social conformada a través de las inversiones del grupo en las principales sociedades anónimas de la época ((Badia-Miró, Blasco-Martel, Lozano, & Soler, 2013) y (Badia-Miro, Blasco-Martel, Lozano,…

Seminario 14/26: M.A.CARNERO (UA) – Identification of asymmetric conditional heteroskedasticity in the presence of outliers


ABSTRACT: The identification of asymmetric conditional heteroscedasticity is often based on sample cross-correlations between past and squared observations. In this paper we analyse the effects of outliers on these cross-correlations and, consequently, on the identification of asymmetric volatilities. We show that, as expected, one isolated big outlier biases the sample cross-correlations towards zero and hence could hide true leverage…

Seminario 14/24: S. Álvarez (UMU) – Voluntary early exercise and performance-vested option grants: an analysis of the incentive effects.


ABSTRACT: Classical option pricing models are not well suited to the valuation of executive stock options (ESOs) and their incentive effects. The special characteristics of ESOs make standard methods difficult to apply to these options. The Wu-Lin model is a completely analytical expression based on the common feature of attaching performance targets to option vesting….

Seminario 14/22 – Enrique SENTANA (CEMFI): Is a normal copula the right copula?


Abstract   Nowadays copulas are extensively used in economic and finance applications, with the Gaussian copula being very popular despite ruling out non-linear dependence, particularly in the lower tail. We derive computationally simple and intuitive expressions for score tests of Gaussian copulas against Generalised Hyperbolic alternatives, which include the symmetric and asymmetric Student t, and Hermite polynomial expansions. We…