منابع مشابه
Cancer antigens: how specific should they be?
INTRODUCTION Four years have passed since the last comprehensive meeting was held to discuss directions in which the immunological discipline might contribute to an understanding of cancer problems, and it should be a measure of our progress to compare the content of the papers presented at that meeting with those delivered here. The earlier meeting did not have precisely the same objectives as...
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While most market-oriented pricing schemes include offers of quantity discounts, their size is generally decided on arbitrarily. This article discusses the various possible marketing objectives of quantity discounts and argues that valid methods for calculating appropriate schedules should be linked to these objectives. Using a specific case study, the practical application of this approach is ...
متن کاملResearch groups: How big should they be?
Understanding the relationship between scientific productivity and research group size is important for deciding how science should be funded. We have investigated the relationship between these variables in the life sciences in the United Kingdom using data from 398 principle investigators (PIs). We show that three measures of productivity, the number of publications, the impact factor of the ...
متن کاملHow should Rural Women's Enterprises Be Developed and Promoted?
This study was a qualitative research which was done by a case study approach. The samples were chosen from rural development experts of Hamedan Province during a snowball sampling process. The data were collected by the semistructured interviews. The data collection was done by faceto- face interviews, after the interview questions guide was determined. The theoretical saturation was attained ...
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ژورنال
عنوان ژورنال: The ANNALS of the American Academy of Political and Social Science
سال: 1908
ISSN: 0002-7162,1552-3349
DOI: 10.1177/000271620803200219