Policy and Complex Systems
Parameter Indicator Value Source
Initial knowledge
Number of scientific articles published in 1990
842,531 Jinha ( 2011 )
( Fractional ) creation rate
Average growth rate of published articles
0.325 Mabe ( 2003 )
Carrying capacity
Average number of scientific articles to be published in journals per year
22.978 Vinkler ( 2004 )
Table 1 . Data underlying assumptions for revisiting Price ’ s model
Figure 2 . Research outputs in numbers of articles , 1726 – 2009
112