An alleged Canadian income trust announcement leak of 23 November 2005 provides a remarkable example of the sensitivity of event study analysis to the treatment of cross-sectional dependence in returns. Whereas a leak should chiefly have affected the returns on other securities, not income...

This paper investigates the impact of short sale constraints on stock returns associated with the tick-test rule in the NYSE using REG SHO daily short selling data. The results suggest removing the tick-test rule for so called 'pilot' stocks mitigates short-term stock overvaluation by...

In this paper, a discrete predator–prey system is proposed and analyzed. It is assumed that the prey population has a lower critical point, which is also referred to as extinction threshold. Such behavior has been reported for many flowering plants, many fishes, epidemiology, and so on. The...

Contrary to the lay theory that predicts duration knowledge of affective episodes to ameliorate negative experiences and weaken positive ones, we demonstrate that duration knowledge increases the extremity of affective experience. In experiments 1 and 2, participants either know the exact...