Home

About

Advanced Search

Browse by Discipline

Scientific Societies

E-print Alerts

Add E-prints

E-print Network
FAQHELPSITE MAPCONTACT US


  Advanced Search  

 
We analyze a set of three databases at different levels of aggregation: (a) a database of approximately 106
 

Summary: We analyze a set of three databases at different levels of
aggregation: (a) a database of approximately 106
publi-
cations from 247 countries published from 19802001,
(b) a database of 508 academic institutions from the
European Union (EU) and 408 institutes from the United
States for the 11-year period of 19912001, and (c) a
database of 2,330 Flemish authors published in the pe-
riod from 19802000. At all levels of aggregation we find
that the mean annual growth rates of publications is in-
dependent of the number of publications of the various
units involved. We also find that the standard deviation
of the distribution of annual growth rates decays with
the number of publications as a power law with exponent
0.3. These findings are consistent with those of recent
studies of systems such as the size of research and de-
velopment funding budgets of countries, the research
publication volumes of U.S. universities, and the size of
business firms.
Introduction

  

Source: Amaral, Luis A.N. - Department of Chemical and Biological Engineering, Northwestern University
Stanley, H. Eugene - Department of Physics, Boston University

 

Collections: Biology and Medicine; Computer Technologies and Information Sciences; Materials Science; Physics