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Table 4 Results from the second estimation model of Iran from 1999 to 2017

From: Investigation the determinants of pharmaceutical expenditure share of GDP in Iran and selected OECD countries

Independent variables Coefficient t-Statistic Probability
C − 52.4201 − 4.9740 0.0006
GDP − 0.0033 − 3.5449 0.0053
GHE 0.1694 8.5718 0.0000
DALY 0.0039 4.0904 0.0022
GENERICVOL 0.0102 3.6207 0.0047
PRICE 0.0007 4.1996 0.0018
INNOVATION 0.0002 1.0365 0.3244
PREVALENCE 0.0537 4.9530 0.0006
R-squared: 0.9967 Probability (F-statistic): 0.0001 D.W stat: 2.4733