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Top Countries and States, as of September 2004

Number of Citations, Weighted by Number of Authors and Simple Impact Factors

• Only authors registered with the RePEc Author Service are considered.
• Only works listed on RePEc and claimed as theirs by registered authors are counted.
• Citations are determined from references of listed works. Both the citing and citing works have to be listed in RePEc. See CitEc for details on the citation extraction.
• Each citation is weighted by its simple impact factor.
• Different versions of the same work published in different series or journals are counted only once, , the version with the highest impact factor being considered.
• The score of each work is divided by the number of authors.
• Authors are attributed equally and proportionally to each institution they claimed to be affiliated with.
• Only institutions listed in EDIRC are counted.
• Institutions are then attributed to the country or state of their location.

• Citations from CitEc project by José Manuel Barrueco Cruz, University of Valencia. Hardware provided by Institute of Economic Research, Hitotsubashi University.
• Abstract views and downloads from LogEc project by Sune Karlsson, Stockholm School of Economics.
• Author registration by Ivan Kumanov, Minsk.
• Institutions database and ranking computations by Christian Zimmermann, University of Connecticut.
• RePEc has been initiated by Thomas Krichel, Long Island University.