[Background] There is an agreement in the fact that cancer incidence in transplant recipients increases at a rate disproportionately greater than in the general population. Several clinical studies have identified cancer risk factors, such as age, male gender, tobacco, UV radiation, viral...

[EN] Aitkin and Clayton (1980) proposed to analyze duration models using generalized linear models. In this work we extend that methodology allowing for some nonspecified covariable effect. The model we propose is a semiparametric generalized linear model, with a parametric component to specify...

Existen varias técnicas de análisis de tablas múltiples en la literatura. Estas técnicas tienen, sin embargo, lagunas de aplicación cuando las tablas están compuestas por un número diferente de individuos, especialmente si las variables incluidas en las tablas son cualitativas. Para este...

El objetivo fundamental de este trabajo es analizar las motivaciones dominantes en los alumnos de las Licenciaturas de Economía (LE) y Administración y Dirección de Empresas (LADE)a la hora de enfrentarse a las asignaturas de Estadística. Para ello se ha realizado una encuesta de opinión,...

El presente trabajo realiza el análisis descriptivo de la población parada y, posteriormente la que está buscando empleo en la CAPV, en el período 1993-1999. El interés se centra en observar si estamos ante un paro de larga duración o no y profundizar en las características de los...

[EN] The irreversibility of the investment expenditures in a fishery and the high degree of uncertainty attaching to the price of the fishing resources make the evaluation of investment opportunity in a fishery particularly difficult. The net-present-value proposes the following rule: "Invest in...

[EN] This paper analyzes if the introduction of new technologies in unionized firms, should be chosen unilaterally by the firm or negotiated with the union. The results show that firms prefer to choose the level of R&D or they prefer to negotiate it with their workers, depending of the R&D cost....

[EN] We analyse in this paper whether it should be the government of each country that decides whether to privatise a publicly-owned firm (non integration) or whether a supra-national authority should decide whether publicly-owned companies in the different countries should be privatised...

[EN] The valuation of development opportunity of a fishery is made particularly difficult by the high degree of uncertainty attaching to the price of the fishing resource. The net-present-value and other discounted cash-flows cannot properly capture the management s flexibility, thus they may...