The accuracy of prediction markets has been documented both for markets based on real-money and those based on play-money. To test how much extra accuracy can be obtained by using real money versus play-money, we set up a real-world online experiment pitting the predictions of TradeSports.com (real-money) against those of NewsFutures.com (play-money) regarding American Football outcomes during ...

How do human beings decide when to be selfish or selfless? In this study, we gave testosterone to 25 men to establish its impact on prosocial behaviors in a double-blind within-subjects design. We also confirmed participants' testosterone levels before and after treatment through blood draws. Using the Ultimatum Game from behavioral economics, we find that men with artificially raised T, compar...

The accuracy of prediction markets has been documented both for markets based on real money and those based on play money. To test how much extra accuracy can be obtained by using real money versus play money, we set up a real-world online experiment pitting the predictions of TradeSports.com (real money) against those of NewsFutures.com (play money) regarding American Football outcomes during ...

the opinion of islamic jurists are different on the subject off inheritance of diya'(blood money). on the other hand, the matter of inheritance of diya' has important legal effects from the viewpoint of tort law and general theory of obligations. these are the main questions: who are the heirs of diya'? does homicide by error, like murder, is an impediment to inheritance of diya&...

the article examines the relationship between tort damages for personal injury and social security benefits in iranian law with a comparative view on english and french law. amongst four potential policies (cumulation, reduction, election and recoupment), the statutory provisions of iranian law have chosen the latter one. but in practice these texts have paradoxically lead to a fifth excessive ...

some people think after human’s death, there is no commitment but the reality is different. he is committed to issues that are important such as: debt, blood money, loan and so on that for each there is a variety of topics. his posthumous commitments are due to be settled, and this is not impossible. in islamic jurisprudence, much attention has been paid to this issue, and it has been tackled f...