نتایج جستجو برای: methods

تعداد نتایج: 1874358  

Journal: :Population studies 2006
Jona Schellekens Frans van Poppel

Previous studies of the marital fertility transition in Europe have found religious differentials. Using data collected from the population registers of The Hague, our aim in this study is to search for answers to the following questions: whether religious differentials result from socio-economic characteristics; to what extent religious ideology explains the behaviour of religious groups; whic...

2008
Norman Schofield Micah Levinson

In the past few years, a body of ideas based on political economy theory has been built up by North and Weingast, Olson, Przeworski, and Acemoglu and Robinson. One theme that emerges from this literature concerns the transition to democracy: why would dominant elites give up oligarchic power? This article addresses this question by considering a formal model of an authoritarian regime, and then...

Journal: :CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne 2013
Janice Tibbetts

Journal: :Management Science 2012
David Gaddis Ross

T paper uses a formal model to study how evaluation costs affect competition for resources in strategic factor markets. It finds that relative scarcity may not always benefit resource sellers. Rather, when competition among resource investors passes a certain threshold intensity, miscoordination among investors increases to the point that sellers’ expected profits decline. This paper extends th...

2002

We propose considering the problem of electronic cash i n the context of a network in which anonymous, untraceable commiinicatlon is assumed to be possible. We present a formal model for such a network, and define security criteria for an electronic cash system in such a setting. Finally, we show that there exists a remarkably simple electrortic cash system which meets the security criteria of ...

Journal: :Issues in brief 2010
Aparna Sundaram Michael Vlassoff Akinrinola Bankole Lisa Remez Yirgu Gebrehiwot

The ability to practice contraception is essential to protecting Ethiopian women's health and enables them to plan the size and timing of their families. Yet low levels of contraceptive use have led to high levels of unintended pregnancy in Ethiopia, a problem for which women and society pay dearly-in women's lives, family well-being and public funds.

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