Previous research has revealed a negative impact of orphanhood and HIV-related stigma on the psychological well-being of children affected by HIV/AIDS. Little is known about psychological protective factors that can mitigate the effect of orphanhood and HIV-related stigma on psychological...

In this paper, the combustion characteristics of Diesel and biodiesel fuels are investigated and compared. Based on the experimental data obtained from a medium-duty Diesel engine, a multi-phase combustion model, which is applicable to both Diesel and biodiesel fuels, is developed and it shows...

The turn-of-the-month effect in U.S. equities is found to be so powerful in the 1926-2005 period that, on average, investors received no reward for bearing market risk except at turns of the month. The effect is not confined to small-capitalization or low-price stocks, to calendar year-ends or...

A turn-of-the-month effect in U.S. equity returns was initially identified by Lakonishok and Smidt (1988) using the DJIA for the period 1897-1986. According to the turn-of-the-month effect, equity returns over the interval beginning the last trading day of the month and ending three days later...

We conjecture that an introduction of the Hong Kong Hang Seng Chinese Enterprise Stock Index (H-share Index) futures induces additional speculating activities in the underlying equities, leading to an increase in volatility and volume of the underlying stocks. Whereas, a subsequent introduction...

We investigate the daily relation between returns and the trading of Shanghai Stock Exchange 180 stocks by institutional and individual investors. We find that there is a positive relation between returns and the trading of institutions and individuals. Both individuals and institutions trade,...

In this paper, we provide evidence that trading driven by investors' behavioral biases contributes to stock return momentum. In particular, we focus on two types of irrational trading, momentum trading and confidence-influenced trading, which could be driven by psychological biases introduced by...

Replaced with revised version of paper 06/17/08.

In this article we price a precipitation option based on empirical weather data from Germany using different pricing methods, among them Burn Analysis, Index Value Simulation and Daily Simulation. For that purpose we develop a daily precipitation model. Moreover, a de-correlation analysis is...

A remarkable disagreement/deviation between the rate of ISO 14001 registration and the rate of implementation of environmental impact assessment in the Chinese construction industry indicates that the contractors there might not have really applied environmental management (EM) in construction...