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Table 6 Relation between SJR indicator change and ABS ranking change

From: Journal rankings and publication strategy

Variable: log SJR change
  (1) (2)
Intercept 0.2199*** 0.2069***
  (0.0139) -0.0337
ABS15 downgraded 0.024  
  (0.0560)  
ABS15 upgraded 0.1042***  
  (0.0287)  
ABS15 constant grade 2   0.0214
   (0.0404)
ABS15 constant grade 3   0.0177
   (0.0414)
ABS15 constant grade 3   -0.0123
   (0.0547)
ABS15 downgraded to 1   0.0896
   (0.1012)
ABS15 downgraded to 2   0.0408
   (0.0860)
ABS15 downgraded to 3   -0.0542
   (0.1243)
ABS15 upgraded to 2   0.1513**
   (0.0535)
ABS15 upgraded to 3   0.1474*
   (0.0598)
ABS15 upgraded to 4   0.1227
   (0.0687)
ABS15 upgraded to 5   0.0118
   (0.0653)
R2 0.0183 0.0269
Adj. R2 0.0156 0.0130
Num. obs 710 710
  1. Note: The table shows results in which the dependent variable is change in mean log SJR indicator between years 2010–2014 and 2005–2009 and the independent variable is a categorical variable based on the 2015 ABS ranking change. The unit of observation is a journal. We considered all journals that were included in the SJR ranking for at least one year between 2005 and 2009 and for at least one year between 2010 and 2014 and were included in both the 2010 and 2015 ABS ranking. In column (1) the intercept represents journals that kept their ABS grade unchanged, in column (2) it represents the journals that kept ABS grade 1 unchanged.