Gesellschaften, Versammlungen, Institute usw
نویسندگان
چکیده
منابع مشابه
A Survey on Infertility in Royan Institute
Background Infertility is defined as failure in pregnancy after one year of unprotected intercourse. Several centers have reported different causes of infertility. The most common causes of infertility are: male factor such as sperm disturbance, female factor such as ovulation dysfunction and tubal factor, both male and female factor, and unexplained infertility .The aim of this study was to su...
متن کاملNET Institute*
a non-profit institution devoted to research on network industries, electronic commerce, telecommunications, the Internet, " virtual networks " comprised of computers that share the same technical standard or operating system, and on network issues in general. This paper examines the effect of recommender systems on the diversity of sales. Two anecdotal views exist about such effects. Some beli...
متن کاملNET Institute*
A monopolist offers a product to a market of consumers with heterogeneous quality preferences. Although initially uninformed about the product quality, they learn by observing past purchase decisions and reviews of other consumers. Our goal is to analyze the social learning mechanism and its effect on the seller’s pricing decision. This analysis borrows from the literature on social learning an...
متن کاملNET Institute*
The open source model is a form of software development with source code that is typically made available to all interested parties. At the core of this process is a decentralized production process: open source software development is done by a network of unpaid software developers. Using data from Sourceforge.net, the largest repository of Open Source Software (OSS) projects and contributors ...
متن کاملNET Institute*
We examine the e¤ects of mobile termination rate regulation in asymmetric oligopolies. We do this by extending existing models of asymmetric duopoly and symmetric oligopoly where consumer expectations about market shares are passive. We rst calibrate product di¤erentiation parameters using detailed data from the Spanish market from 2010. Next, we predict equilibrium outcomes and welfare e¤ects...
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ژورنال
عنوان ژورنال: Geologische Rundschau
سال: 1910
ISSN: 0016-7835,1437-3262
DOI: 10.1007/bf02332290