In this paper, we calculated the average daily return and the Betas of Israeli stocks for the period April 1st 2009 – April 1st 2010. The correlation coefficient between return and Beta is 0.47. Although we find that the econometric relation between return and Beta is statistically...

In a prediction contest participants compete for a prize by submitting guesses regarding an unknown variable; the winner of the contest is the participant who submits the most accurate guess. In this paper the results of a simple prediction contest are reported. In the contest, certain members of...

Enterprises desiring to utilize prediction markets for decision support must consider numerous design factors for their market deployments. Through logistic regression analyses of more than 350 real and play-money prediction markets, this paper evaluates several design issues in order to...