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Mostrando recursos 101 - 120 de 386

101. A dynamic model of final service competition in fixed electronic communications under a capacity interconnection regime - Aguilar Barceló, José G.
We propose a dynamic duopolistic model of final service competition in which the entrant first acquires a certain capacity at the local loop (at a fixed payment) from the incumbent and then both operators compete in prices for the final services.

102. Duality in fractional programming involving locally arcwise connected and related functions - Stancu-Minasian, I.M.; Caballero, R.; Cerdá , Emilio; Muñoz, M.M.
A nonlinear fractional programming problem is considered, where the functions involved are diferentiable with respect to an arc.

103. Linear and nonlinear intraday dynamics between the Eurostoxx-50 and its futures contract - Nieto, Luisa; Robles, Mª Dolores; Fernández, Angeles
Nos planteamos analizar el comportamiento dinámico lineal y no lineal de los rendimientos intradía del índice bursátil Eurostoxx50 y de su contrato de futuro, los cuales debido a su relativa juventud, no han sido previamente analizados.

104. A note on the pseudo-spectra and the pseudo-covariance generating functions of ARMA processes - Bujosa, Andrés; Bujosa Brun, Marcos; García Ferrer, Antonio
Although the spectral analysis of stationary stochastic processes has solid mathematical foundations, this is not the case for non-stationary stochastic processes.

105. An ARMA representation of unobserved component models under generalized random walk specifications: new algorithms and examples - Bujosa, Marcos; García Ferrer , Antonio; Young, Peter
Among the alternative Unobserved Components formulations within the stochastic state space setting, the Dynamic Harmonic Regression (DHR) has proved particularly useful for adaptive seasonal adjustment signal extraction, forecasting and back-casting of time series.

106. Risk premia in the term structure of swaps in pesetas - Novales , Alfonso; Abad, Pilar
Some characteristics of the term structure in interest rate swap (IRS) markets are influenced by the own idiosyncrasy of this financial instrument, which could explain the rejection of the Expectations Hypothesis, we present evidence supporting the existence of significant, time-varying risk premia.

107. Volatility transmission acros the term structure of swap markets: international evidence - Abad , Pilar; Novales, Alfonso
We characterize the behavior of volatility across the term structure of interest rate swaps in three currencies (Deutsche mark, Japanese yen and US Dollar).

108. The forecasting ability of factor models of the term structure of IRS markets - Novales, Alfonso; Abad, Pilar
Using estimated principal components as factors, three-factors models are shown to produce forecasts comparable to those of autoregressive models for 2 to 10 year zaero coupon interest rates IRS markets both, for short- and medium- term forecasting horizons.

109. An error correction factor model of term structure slopes in international swaps markets - Novales, Alfonso; Abad, Pilar
The first two principal components in the vector of term structure slopes from IRS markets in eight major currencies can be approximately identified as the slopes for the US dollar and Deutsche mark.

110. Optimal hedging under departures from the cost-of-carry valuation: evidence from the Spanish stock index futures market - Novales, Alfonso; Lafuente, J.A.
We provide an analytical discussion of the optimal hedge ratio under discrepancies between the futures market price and its theoretical valuation according to the cost-of-carry model.

111. A factor model of term structure slopes in eurocurrency markets - Novales, Alfonso; Domínguez, E.
This paper departs from previous research in dealing with dimensionality reduction in the space of international term structure slopes.

112. Can forward rates be used to improve interest rate forecasts? - Domínguez, Emilio; Novales, Alfonso
We evaluate the extent to which the explanatory power detected in the term structure in different markets and countries can actually be used to produce sensible forecasts of future short-term interest rates.

113. Dynamic correlations and forecasting of term structure slopes in eurocurrency market - Domínguez, Emilio; Novales, Alfonso
Using monthly data on Euro-rates for 1979-1998, we examine the extent to which crosscountry information on term structure slopes can be used to improve upon univariate slope forecasts.

114. Trade shoks and aggregate fluctuations in an oil-exporting economy - Sáez, Francisco J.; Puch, Luis A.
Shocks to the terms of trade which are directly associated to oil price changes are modelled as a foreign transfer.

115. Analysis and comparisons of some solution concepts for stochastic programming problems - Caballero, Rafael; Cerdá, Emilio; Muñoz, Mª del Mar; Rey, Lourdes
The aim of this study is to analyse the resolution of Stochastic Programming Problems in which the objective function depends on parameters which are continuous random variables with a known distribution probability.

116. Política monetaria óptima en un modelo con intermediación financiera - Fernández Casillas, Esther
Se analiza cuál es la política monetaria óptima bajo una regla de gasto público no habitual en la literatura: el gasto representa un porcentaje constante en la producción.

117. Medición de la eficiencia técnica para los Países de la UE-15 - Delgado Rodríguez , Mª Jesús; Álvarez Ayuso, Inmaculada
Este artículo tiene como objetivo medir la eficiencia técnica para los países de la Unión Europea para el período 1980-1997 y realizar un análisis comparativo entre los países tratando de determinar el potencial de crecimiento alcanzable en términos de producción dadas las dotaciones de inputs de cada economía.

118. El Comité de Auditoría y sus funciones - Terreros Ceballos, Gonzalo
Además de su carácter obligatorio, El Comité de Auditoría tiene otorgadas por la ley una serie de funciones generales que han de considerarse como mínimas, dejando un amplio margen de autorregulación tanto para la concreción de las mismas, como para su ampliación por la vía de los estatutos sociales o de los reglamentos internos de los órganos societarios, incluido el del propio Comité.

119. Human capital in the competitive strategy of multinational companies in Spain - Casado Francisco, Montserrat
Al aceptar la pertinencia de los recursos humanos en la determinación de los niveles de productividad en la empresa, en este artículo son abordados algunos aspectos de la estrategia empresarial en relación con el capital humano, estudiados en dos grupos de empresas multinacionales: el alemán y el holandés, los dos grupos tienen una importante presencia española en el marco económico.

120. Las relaciones comerciales entre Marruecos y la Unión Europea a la luz de la Ronda de Uruguay - Escribano, Gonzalo
La conclusión de las negociaciones de la Ronda Uruguay ha despertado gran interés en varios campos de la economía.

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