منابع مشابه
How much do you believe?
This paper responds to a number of criticisms of Dempster-Shafer theory made by Judea Pearl. He criticises Dempster-Shafer belief for not obeying the laws of Bayesian belief," however, these laws lead to well-known problems in the face of ignorance, and seem unreasonably restrictive. It is argued that it is not reasonable to expect a measure of belief to obey Pearl's sandwich principle. The sta...
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Two historical cohorts (1993-1994 and 2001) of preterm infants ventilated for respiratory distress syndrome were compared. Dexamethasone administration fell from 22% to 6%. Chronic lung disease in survivors rose slightly from 13% to 17%, and mortality fell from 21% to 15% (other causes). The effect of restriction of dexamethasone use on chronic lung disease and mortality remains to be seen.
متن کاملMuch to Do about Nothing
I n the popular literature there is a certain fascination with the concept of zero [1]–[3]. While today the inconspicuous 0 is taken for granted, the situation was different in the distant past. For example, the Romans had no symbol for 0, a fact memorialized by the jump from 1 B.C. to 1 A.D., a convention instituted in 531 A.D. [4, p. 91]. In contrast, the Mayans had a symbol for zero, and the...
متن کاملHow much do Workers Search ?
In this paper, I consider four determinants of wages: productivity, workers’ bargaining power, competition between employers due to on-the-job search, and search intensity by workers. Workers can increase their job offer arrival rate through costly search. Employers take into consideration the search intensity choices of their employees when the two parties jointly set wages. Using a Nash barga...
متن کاملDo Investors Trade Too Much?
Trading volume on the world’s markets seems high, perhaps higher than can be explained by models of rational markets. For example, the average annual turnover rate on the New York Stock Exchange (NYSE) is currently greater than 75 percent and the daily trading volume of foreign-exchange transactions in all currencies (including forwards, swaps, and spot transactions) is roughly one-quarter of t...
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ژورنال
عنوان ژورنال: Blood
سال: 2019
ISSN: 0006-4971,1528-0020
DOI: 10.1182/blood.2019001014