A Systems View Across Time and Space
From: Interplays among R&D spending, patent and income growth: new empirical evidence from the panel of countries and groups
Fisher Stat.
Prob.
Fisher stat.
(from trace test)
(from max-eigen test)
None
76.03
0.000
71.3
At most 1
27.4
0.48
25.19
0.61
At most 2
34.29
0.19
0.09