This paper proposes a GARCH-type model allowing for time-varying volatility, skewness and kurtosis. The model is estimated assuming a Gram-Charlier series expansion of the normal density function for the error term, which is easier to estimate than the non-central t distribution proposed by...

This paper examines empirically the relationship between electricity spot and futures prices, by analysing a decade of data for a set of short term-to-maturity futures contracts traded in the Nordic Power Exchange, Nord Pool. It is found that, on average, there are significant positive risk...

We obtain explicit expressions for the subjective, objective and market value of perpetual executive stock options (ESOs) under exogenous employment shocks driven by an independent Poisson process. Within this setup,we obtain the executive's optimal exercise policy which allows us to analyze the...

A fundamental question about the analysis of financial information is the potential manipulations that could be introduced by insiders in the information that is revealed to investors. In this context, this article is focused on the analysis of abnormal accruals as a potential instrument to...

In the advent of Customer Relationship Management, a more accurate profile of the consumer is needed. The objective of this paper is to show the usefulness of knowing consumer¿s complete utility function through his/her marginal utilities. This approach allows one to form groups of individuals...

In recent years, users' information needs have changed, and forward-looking information has become of great importance, as it has been highlighted in many international and national reports. Nonetheless, Spanish regulations are not very specific in this respect, since although it is required to...

In the last years, Spanish firms have attempted to create value for their shareholders.The market value added (MVA) has been proposed by the Stern Stewart Consulting Group asa measure of value creation, and the economic value added (EVA) as an operating measure toimplement this new management...

In financial literature, different ways of estimating the cash flow generated in a firm can be found. These methods are based on the estimation of these flows and on the analysis of the components that are involved in them. Although the estimation is important, we want to know what these cash...

During the nineties, the main issue in earnings management research has beenfocused on models¿ specification to estimate the abnormal component of accruals buttoday it does not exist a generalised consensus about current models. In this paper, wepresent an analysis of statistic and econometric...

We study the association between corporate governance and impression management in annual results press releases (ARPRs). Press releases constitute a timely vehicle to communicate firm performance to third parties. However, oftentimes, managers provide self-serving disclosures that attempt to...