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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