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. 2023 Aug 30;9(9):e19521. doi: 10.1016/j.heliyon.2023.e19521

Table 5.

Regression Results using Various Econometrics Methods with Percentage of Old-Age Population as a Proxy for Old-Age Populations.

Variable (OLS) (FE) (1DGMM) (2DGMM) (1SGMM) (2SGMM)
Percentage Old pop 0.0199*** 0.0827* 0.120 0.0253 0.0612*** 0.0641***
(0.000) (0.012) (0.393) (0.607) (0.000) (0.000)
L. Gov Spending 0.913*** 0.714*** 1.011*** 1.051*** 0.791*** 0.797***
(0.000) (0.000) (0.000) (0.000) (0.000) (0.000)
GDP per capita 0.0819*** 0.196*** −0.256 −0.207** 0.155* 0.142***
(0.000) (0.000) (0.614) (0.002) (0.019) (0.000)
Trade to GDP 0.00772+ 0.00327 0.0267 0.0199* 0.0183 0.0163**
(0.096) (0.796) (0.717) (0.015) (0.220) (0.002)
Control of corruption 0.0111* 0.0562*** 0.0247 0.0253** 0.0726** 0.0795***
(0.021) (0.000) (0.376) (0.004) (0.002) (0.000)
Financial Openness −0.0123 −0.0171 −0.0428 −0.0261 0.0351 0.0312*
(0.126) (0.337) (0.432) (0.488) (0.202) (0.017)
Democracy_dummy 0.00285 0.0298* 0.0273 0.0195 −0.0132 −0.0204**
(0.665) (0.010) (0.551) (0.144) (0.546) (0.001)
Constant −0.192*** −0.130 −0.383+ −0.339***
(0.000) (0.476) (0.071) (0.000)
N. Obs. 1705 1705 1428 1428 1705 1705
R-Squared 0.996 0.854
Adjusted R-Squared 0.996 0.843
AR (1) p-value 0.00409 0.00453 0.00424 0.00800
AR (2) p-value 0.262 0.262 0.308 0.318
Hansen p-value 0.0526 0.0526 0.0846 0.0846

Note: This table estimates the relationship between Old-Age Populations, using Percentage of Old-Age Population as a Proxy, and Government Spending at the Aggregate Level. The Total Final Government Consumption per Capita in Logarithmic form is Dependent Variables. The Percentage of Old-Age Population in Logarithmic form (Percentage Old pop) is the main Independent Variable. OLS represents the Ordinary Least Square Method: FE is Panel Data Model with Fixed Effect; 1DGMM and 2DGMM are one- and two-step Difference Generalized Methods of Moment, respectively, and 1SGMM and 2SGMM are one- and two-step System Generalized Methods of Moment, respectively. The p-value of Auto-Correlation 1st and 2nd order, including ' 'Hansen's post-Estimation Tests for Dynamic GMM are presented at the bottom Panel. The p-values are presented in parentheses and+p < 0.10, *p < 0.05, **p < 0.01, ***p < 0.001.

Source: Author's calculation.