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Multiplicative and fractional strategies when journals are assigned to several sub-fields

Herranz, Neus; Ruiz-Castillo, Javier - C.E.P.R. Discussion Papers - 2011

In many datasets, articles are classified into sub-fields through the journals in which they have been published. The problem is that many journals are assigned to a single sub-field, but many others are assigned to several sub-fields. This paper discusses a multiplicative and a fractional...

Persistent link: https://www.econbiz.de/10009371466

The end of the European Paradox

Herranz, Neus; Ruiz-Castillo, Javier - C.E.P.R. Discussion Papers - 2011

This paper evaluates the European Paradox according to which Europe plays a leading world role in terms of scientific excellence, measured in terms of the number of publications, but lacks the entrepreneurial capacity of the U.S. to transform this excellent performance into innovation, growth,...

Persistent link: https://www.econbiz.de/10009371473

Sub-field normalization in the multiplicative case: Average-based citation indicators

Herranz, Neus; Ruiz-Castillo, Javier - C.E.P.R. Discussion Papers - 2011

This paper investigates the citation impact of three large geographical areas -- the U.S., the European Union (EU), and the rest of the world (RW) -- at different aggregation levels. The difficulty is that 42% of the 3.6 million articles in our Thomson Scientific dataset are assigned to several...

Persistent link: https://www.econbiz.de/10009399720

Sub-field normalization in the multiplicative case: High- and low-impact citation indicators

Herranz, Neus; Ruiz-Castillo, Javier - C.E.P.R. Discussion Papers - 2011

This paper uses high- and low-impact citation indicators for the evaluation of the citation performance of research units at different aggregate levels. To solve the problem of the assignment of individual articles to multiple sub-fields, it follows a multiplicative strategy according to which...

Persistent link: https://www.econbiz.de/10009399723

The Skewness of Science in 219 Sub-Fields and a Number of Aggregates

Albarrán, Pedro; Crespo, Juan A.; Ortuño-Ortín, Ignacio - C.E.P.R. Discussion Papers - 2010

This paper studies evidence from Thomson Scientific about the citation process of 3.7 million articles published in the period 1998-2002 in 219 Web of Science categories, or sub-fields. Reference and citation distributions have very different characteristics across sub-fields. However, when...

Persistent link: https://www.econbiz.de/10008784765

Comparing the Early Research Performance of PhD Graduates in Labour Economics in Europe and the USA

Cardoso, Ana Rute; Guimaraes, Paulo; Zimmermann, Klaus F - C.E.P.R. Discussion Papers - 2009

This paper analyzes the early research performance of PhD graduates in labor economics, addressing the following questions: Are there major productivity differences between graduates from American and European institutions? If so, how relevant is the quality of the training received (i.e....

Persistent link: https://www.econbiz.de/10004979475

The Impact of Economics Blogs

McKenzie, David J.; Özler, Berk - C.E.P.R. Discussion Papers - 2011

There is a proliferation of economics blogs, with increasing numbers of economists attracting large numbers of readers, yet little is known about the impact of this new medium. Using a variety of experimental and non-experimental techniques, we try to quantify some of their effects. First, links...

Persistent link: https://www.econbiz.de/10009293990

The Effect of Native Language on Internet Usage

Gandal, Neil - C.E.P.R. Discussion Papers - 2002

In this Paper, I explore the relationship between native language and use of the Internet and examine whether English … is likely to retain its first-mover advantage of a large installed base of English language websites. I study this issue … that English language websites are less of a barrier for French-speaking youths than for French-speaking adults in Quebec …

Persistent link: https://www.econbiz.de/10005504208

Language, Internet and Platform Competition: the case of Search Engine

Jeon, Doh-Shin; Jullien, Bruno; Klimenko, Mikhail M. - C.E.P.R. Discussion Papers - 2012

consumers of a home country affects production of web content in the home language and domestic welfare? In this paper, we … within a small country and thereby production of home language content. We find that bilingualism unambiguously softens … platform competition, which in turn can induce a reduction in home language content and in home country's welfare. In …

Persistent link: https://www.econbiz.de/10011083227

A framework for analyzing language and welfare

Melitz, Jacques - C.E.P.R. Discussion Papers - 2012

The paper proposes a general model that will encompass trade and social benefits of a common language, a preference for … a variety of languages, the fundamental role of translators, an emotional attachment to maternal language, and the … considers minorities to suffer losses from the subordinate status of their language. In addition, the model treats the threat to …

Persistent link: https://www.econbiz.de/10011083809