نتایج جستجو برای: and papers

تعداد نتایج: 16832710  

Journal: :J. Informetrics 2012
Christian Seiler Klaus Wohlrabe

In socio-economic sciences the RePEc network (Research Papers in Economics) has become an essential source for the gathering and the spread of both existing and new economic research. Furthermore, it is currently the largest bibliometric database in economic sciences containing 33 different indicators for more than 30,000 economists. Based on this bibliographic information RePEc calculates well...

2007
Mark Armstrong Yongmin Chen

This paper studies a model in which some consumers shop on the basis of price alone, without attention to potential differences in product quality. A firm may offer a low-quality product to exploit these inattentive consumers. In the unique symmetric equilibrium of the model, firms choose prices with mixed strategies , similarly to Varian (1980) in which some consumers purchase from a random se...

The global cyberspace networks provide individuals with platforms to can interact, exchange ideas, share information, provide social support, conduct business, create artistic media, play games, engage in political discussions, and many more. The term cyberspace has become a conventional means to describe anything associated with the Internet and the diverse Internet culture. In fact, cyberspac...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1392

بررسی رابطه بین یادگیری سازمانی و توانمندسازی مدیران و معاونین مدارس شهرستان میانه دکتر محمد اورکی1، دکتر هاشم نعمتی، گلسیما عزیزی* استادیار گروه علوم تربیتی ، دانشگاه پیام نور تهران جنوب استادیار گروه علوم تربیتی. ، دانشگاه پیام نور مشهد دانشجوی کارشناسی ارشد مدیریت آموزشی ، دانشگاه پیام نور تهران جنوب [email protected] میانه- دانشگاه پیام نور میانه مدیر آموزشی، 2226062 – 0423، ت...

Journal: :پژوهش های علوم و فناوری چوب و جنگل 0

in this study, deinkability of old newspaper by conventional method and the effect of washing, flotation and combined washing/flotation processes were investigated on optical and superficial properties of the produced papers. the results from measuring of the optical and superficial properties indicated that using chemical treatment time of 20 minute and one stage washing resulted the papers wi...

2015
Kazuko Kano

Examining a state-dependent pricing model in the presence of menu costs and dynamic duopolistic interactions, this paper claims that the assumption regarding market structure is crucial for identifying the menu costs for price changes. Prices in a dynamic duopolistic market can be more rigid than those in more competitive markets, such as a monopolistic-competition market. Therefore, the estima...

2015
Attila Havas

Universities are long-established organisations, and although reinvented themselves several times, major reforms are needed again, underpinned by systematic prospective analyses. A novel method is needed to take into account the wide-ranging and complex factors, shaping the future of the higher education system. ‘Futures’ should be devised in a multi-level structure as the bulk of trends and dr...

Journal: :پژوهش های زبانی 0
دکتر اعظم استاجی دانشیار گروه زبانشناسی دانشگاه فردوسی مشهد فهیمه افشین کارشناس ارشد زبانشناسی، دانشگاه فردوسی مشهد

the present paper studies hedges in persian academic papers. hedging has an important role in academic discourse; in fact it is a device expressing a writer's degree of certainty or doubt about a proposition. in this study, a collection of 114 academic papers (57 papers in the field of chemistry and 57 papers in the field of persian literature) have been analyzed. the results show that the...

2015
Klaus Wohlrabe Katharina Rath

This article updates Kelly and Bruestle (2011) by illustrating how publication trends in different subject categories in economics evolved from 2007 to 2013. Using data from RePEc we show that the largest increase in the relative share was for articles published in JEL category Q (“Agricultural and Natural Resource Economics, Environmental and Ecological Economics”) over this period. Furthermor...

2016
John Vickers Mark Armstrong

We provide a simple necessary and suffi cient condition for when a multiproduct demand system can be generated from a discrete choice model with unit demands.

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