In this paper we advance the idea that optimal risk management under the Basel II Accord will typically require the use of a combination of different models of risk. This idea is illustrated by analyzing the best empirical models of risk for five stock indexes before, during, and after the...

Telecommunications carriers are deploying the so called New Generation Access (NGA) networks. These networks consist in substituting the last part of the network (the one that ends in the premises of the client) with optical fiber. This part of the network used to be made of copper. The...

This paper analyzes the factors that influence private e-commerce from the demand side in Spain. We use econometric models and a survey of 18,948 individuals for 2003, of which 5,273 are internet users. First, we analyze the determinants of the decision to purchase or not to purchase in the Web...

Realizing the full potential of online shopping requires careful identification of the factors affecting online consumer behaviour. In this paper we model empirically how socio-demographic variables, attitudes and beliefs towards Internet shopping affect both the decision and usage of the online...

Figures of Internet purchases by product categories reveal that certain types of products fare better than others. This research investigates product differences in the context of the individual's decision to purchase online. A theoretical model of consumer e-commerce adoption is developed and...

Under the Basel II Accord, banks and other Authorized Deposit-taking Institutions (ADIs) are required to communicate their daily market risk estimates to the relevant national monetary authority at the beginning of each trading day, using one of a variety of Value-at-Risk (VaR) models to measure...

We compare Value at Risk (VaR) and Expected Shortfall (ES) following a Stochastic Dominance (SD) approach frequently used to order distributions in terms of welfare and in portfolio selection. Basel Committee on Banking Supervision (BCBS) recommends bank risk managers to shift the current...

The Basel III Accord requires that banks and other Authorized Deposit-taking Institutions (ADIs) communicate their daily risk forecasts to the appropriate monetary authorities at the beginning of each trading day, using one of a range of alternative risk models to forecast Value-at-Risk (VaR)....

This paper explores the determinants of the individual´s decision to perform cross-border e-commerce (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 Digital Single Market in Europe. In this paper...

This paper analyzes the adoption patterns of selected internet services such as eCommerce, eBanking and eGovernment in Spain. High quality official data from the Survey on Equipment and Use of Information and Communication Technologies in Households (ICT-H) of the National Institute of...