The Effect of Research and Development on Economic Growth in Ethiopia: The Untapped Potential for Prosperity

Table 4

Predictors coefficients of the regression model.

Variable	β	Standard error	t-stat.	p-Value
C	109.7152	40.10651	2.735595	.0147
Number of citable journal articles	.036486	.006196	5.888918	<.01
R&D expenditure (GDP (%))	133.9384	125.7030	1.065514	.3025
Number of patent application	5.741583	2.251605	2.549996	.0214
Medium and high tech. export (value added)	20.88898	6.016129	3.472164	.0031
R^2	.962682	—	—	—
Adjusted R^2	.953352	—	—	—

Dependent variable: GDP per capita growth. Method: least squares. Included observations: 21. Source: WDI and Scimago Journal Ranking, 2022. indicates that p is significant ().