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Valarezo Unda, Ángel Eduardo ; López Zorzano, Rafael Alberto ; Pérez-Amaral, Teodosio | Facultad de Ciencias Económicas y Empresariales. Instituto Complutense de Análisis Económico (ICAE) | 2019E-commerce penetration rates are distant among those groups of individuals with the lowest and the highest levels of online shopping adoption. This is an indicator of digital divide, having negative effects in terms of untapped opportunities for[...]texto impreso
Garín-Muñoz, Teresa ; Pérez-Amaral, Teodosio | Facultad de Ciencias Económicas y Empresariales. Instituto Complutense de Análisis Económico (ICAE) | 1998The purpose oC this study is to measure the impact of the economic determinants of the intemational demand for tourist services in Spain. We use a panel data set of seventeen countries over the perlad 1985-1995. By using appropriate panel data t[...]texto impreso
Pérez-Amaral, Teodosio ; Álvarez González, Francisco ; Moreno Jiménez, Bernardo | Facultad de Ciencias Económicas y Empresariales. Instituto Complutense de Análisis Económico (ICAE) | 1993In this paper we use a theoretical model for the demand of telecommunication services to derive econometric models of the business demand for telephone traffic in Spain for the period 1980-1991. Using quaterly data, we estimate separate equation[...]texto impreso
Garín Muñoz, Teresa ; Pérez-Amaral, Teodosio ; Gijón Tascón, Covadonga ; López Zorzano, Rafael Alberto | Elsevier | 2016This work analyses the post-purchase behaviour of mobile phone users once they have experienced a service failure. Taking into account the existing literature on Consumer Complaint Behaviour (CCB), a survey for 4249 individuals in Spain is used [...]texto impreso
Este trabajo estudia la relación que hay entre contrastes m de momentos, contrastes de los multiplicadores de Lagrange y contrastes de la matriz de información dinámica. Se obtiene que bajo condiciones generales los contrastes m pueden ser consi[...]texto impreso
Pérez-Amaral, Teodosio | Facultad de Ciencias Económicas y Empresariales. Instituto Complutense de Análisis Económico (ICAE) | 1994Se presentan los principales resultados de la literatura reciente sobre contrastes de momentos (m) y de la matriz de información, Los contrastes de momentos son un marco general para obtener diagnósticos de la especificación de modelos estimados[...]texto impreso
López Zorzano, Rafael Alberto ; Pérez-Amaral, Teodosio ; Garín-Muñoz, Teresa ; Gijón Tascón, Covadonga | 2012-09There is growing evidence that low-quality customer service prevails in the mobile telecommunications industry. In this paper we provide theoretical support to this empirical observation by using simple game theoretical models where inefficient [...]texto impreso
McAleer, Michael ; Jiménez-Martín, Juan-Ángel ; Pérez-Amaral, Teodosio | Facultad de CC Económicas y Empresariales. Instituto Complutense de Análisis Económico (ICAE) | 2009-03Under the Basel II Accord, banks and other Authorized Deposit-taking Institutions (ADIs) have to communicate their daily risk estimates to the monetary authorities at the beginning of the trading day, using a variety of Value-at-Risk (VaR) model[...]texto impreso
Cerno, Leonel ; Pérez-Amaral, Teodosio | Instituto Complutense de Análisis Económico. Universidad Complutense de Madrid | 2005The goal of this paper is to analyze a new phenomenon: Internet demand in Spain. To do so, we use a new high quality data set and advanced econometric techniques for estimating Internet demand functions, incorporating the socio-demographic chara[...]texto impreso
Rodríguez Andrés, Antonio ; Pérez-Amaral, Teodosio | Facultad de Ciencias Económicas y Empresariales. Instituto Complutense de Análisis Económico (ICAE) | 1997In this paper we use a model of demand for telephone lines to derive an econometric model of the net demand for new access lines in Spain, for the period 1980-1993, using quarterly observations. We use cointegration techniques to obtain long and[...]texto impreso
Digital gaps have the potential to exacerbate the inequalities that exist in society. The main objective of this paper is to study the gaps that occur in the use of internet services by households in Spain during the period 2007-2019 and to beco[...]texto impreso
Valarezo Unda, Ángel ; Pérez-Amaral, Teodosio ; Garín Muñoz, Teresa ; Herguera García, Íñigo ; López Zorzano, Rafael Alberto | Elsevier | 2018This paper explores the determinants of the individual's decision to perform cross-border ecommerce (CBeC). The European Union (EU) is especially interested in the promotion of CBeC because it is an important tool in its strategy to achieve the [...]texto impreso
Marinucci, Massimiliano ; Pérez-Amaral, Teodosio | Instituto Complutense de Análisis Económico. Universidad Complutense de Madrid | 2005-05In this paper we estimate the business telecommunications demands for local, intra-LATA and inter-LATA services, using US data from a Bill Harvesting survey carried out during 1997. We model heterogeneity, which is present among firms due to a v[...]texto impreso
Flores de Frutos, Rafael ; Gracia Díez, Mercedes ; Pérez-Amaral, Teodosio ; Vega Catena, Pedro Jesus | Facultad de Ciencias Económicas y Empresariales. Instituto Complutense de Análisis Económico (ICAE) | 1996-09En este trabajo cuantificamos los efectos económicos de la inversión en infraestructuras de telecomunicaciones en España sobre la producción, el empleo y la inversión agregados usando datos anuales del período 1964-1993. Para ello usamos un mode[...]texto impreso
Flores de Frutos, Rafael ; Gracia Díez, Mercedes ; Pérez-Amaral, Teodosio | Facultad de Ciencias Económicas y Empresariales. Instituto Complutense de Análisis Económico (ICAE) | 1994The objetive of this paper is to evaluate the short and long term effects of public investment in infraestructure on aggregate output, labor and capital formation in the private sector. The problem is analyzed in a dynamic multivariate framework[...]
