nigella sativa (n. sativa) is a spice plant which has been traditionally used for culinary and medicinal purposes. different therapeutic properties including the beneficial effects on asthma and dyspnea, digestive and gynecology disorders have been described for the seeds of n. sativa. there is evidence of the relaxant effects of this plant and some of its constituents on different types of smo...

Consider a committee that in the past has made a promise not to confiscate the profits from a foreign investor. After the investment has taken place, there is a material benefit if the committee decides to default on the earlier promise. But there are also some small moral costs for those who vote in favor of default. We show that in such situations small committees are more likely to default t...

For a procedure to enter into the armamentarium of empirical clinical psychology, two things seem to be currently required: the technology has to be reasonably well defined, and it has to be shown to be useful when applied appropriately. These requirements are important, but ultimately they are not sufficient. There are times when technologies are so powerful that impact alone justifies their s...

In light of recent corporate scandals, numerous proposals have been introduced for reforming corporate governance. This paper provides a theoretical framework through which to evaluate these reforms. We show that reforms that seek to improve the quality of information that is reported will reduce welfare, raise executive compensation, and inefficiently increase the rate of ceo turnover. ∗The au...