نتایج جستجو برای: relations and trades
تعداد نتایج: 16844992 فیلتر نتایج به سال:
A (v, k, t) directed trade (or simply a (v, k, t)DT) of volume s consists of two disjoint collections Tl and each containing ordered k-tuples of distinct elements of a v-set called blocks, such that the number of blocks containing any t-tuple of V is the same in Tl as in T2 . Our study shows that the volume of a (v, k, t)DT is at least 2Lt/ 2J and that directed trades with minimum volume and mi...
All errors are my own responsibility. Abstract Motivated by economic models of sequential trade, empirical analyses of market dynamics in the U.S. equities market frequently estimate liquidity from regressions of price changes on transaction volumes, where the latter are signed (positive for buyer-initiated trades; negative for seller-initiated trades). This paper estimates these specifications...
human trafficking is one form of organized crime with 7 to 10 billion dollars profit next to drug and weapon trades. former soviet republics and eastern europe have become the newest sources of human trafficking, for europe and north america for the purpose of sexual exploitation .this article is a result in causes of human trafficking in central asian republic of the former soviet :union:.
Abstract Background: Asthma is a common respiratory disease that causes occupational disability. Specific occupations may be related to induction or exacerbation of asthma. The objective of present study was descriptive evaluation of occupations in asthmatic patients. Methods: In this cross ـsectional study, 339 asthmatic patients older than 17 years were evaluated regarding their occupation...
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