Table 3

VECM Granger causality test for R&D intensity

Independent variablesShort-run effectsLong-run effects
Dependent variablesECT
T-stats
Full sampleΔR&DitΔFDIitΔIMPit
ΔR&Dit6.97**1.42−3.281**
ΔFDIit3.86**6.57**−5.742***
ΔIMPit6.71**1.55−4.850**
Africa
ΔR&Dit2.94*2.06−2.568**
ΔFDIit3.89**2.68*3.994**
ΔIMPit1.172.210.788
Asia
ΔR&Dit3.21**2.07−2.644*
ΔFDIit2.96*1.52−4.230***
ΔIMPit6.97**1.07−3.735**
Europe
ΔR&Dit1.061.05−3.270**
ΔFDIit8.78**0.470.321
ΔIMPit18.75**0.32−3.950**
North America
ΔR&Dit0.771.22−3.641**
ΔFDIit3.47**1.89−0.684
ΔIMPit1.120.37−3.545**
South America
ΔR&Dit1.230.57−1.139
ΔFDIit2.46*2.57*−3.654**
ΔIMPit2.69*1.31−0.108

Note(s): ***, ** and * denote significance levels at 1%, 5% and 10% respectively

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