We show that a new measure of cognitive decline, that can be computed in longitudinal surveys where respondents perform the same recall memory tests over the years, is highly predictive of the onset of dementia. Using SHARE data, we investigate the way retirement affects cognitive decline over time controlling for age, education and other confounding factors. We find that retirement has a long-...

Advances in information technology increasingly allow firms to identify expensive, high-cost customers, who are not only individually less profitable for firms but also raise the average marginal cost incurred by firms and thus impose a negative externality on inexpensive customers. Should competing firms share information that identifies such customers? The answer to this question has importan...

introduction the high energy consumption is one of the serious problems in poultry industry. the poultry industry consume about five percent of total energy sources in different countries, with consideration of losses, it increases up to 16-20%. in the year 2003 also, the iranian chicken meat consumption per capita was 13.3 kg, while in the year 2013 it increased to 25.9 kg (fao, 2014). it show...

This paper introduces MidiShare, a real time software module meant for the development of Midi applications in a multi-tasks context. MidiShare brings facility in most of the fields concerned with the development of musical applications: communications management, precise time control, tasks scheduling. The originality of MidiShare lies in its capacity to deal with multiple Midi applications ru...

When investing, investors tend to only pay attention the Risk of value owned by an individual stock (Value at Risk) when there is a risk another, namely systemic Risk. Systemic that has overall effect on another. Risks Islamic issues are discussed in this study. This study analyzed whether any significant relationship between stocks with calculated using Conditional Value (CoVaR) estimated Quan...