Variable |
Pooled OLS |
Random Effect |
Fixed Effect |
Corrected Estimation Random Effect |
Coeff. |
(t-value) sig level |
|
Coeff. |
(t-value) sig level |
|
Coeff. |
(t-value) sig level |
|
Coeff. |
(t-value) sig level |
|
All-Income (55 countries) |
DAI |
48.1262 |
0.86 |
|
65.2362 |
1.94 |
** |
64.3911 |
1.58 |
* |
65.2362 |
2.34 |
** |
CPI |
0.8659 |
2.32 |
** |
0.7272 |
2.34 |
*** |
0.5830 |
1.01 |
|
0.7272 |
2.60 |
*** |
BP LM test |
|
51.05 |
|
|
|
|
|
|
|
|
|
|
p-value |
|
0.0000 |
|
|
|
|
|
|
|
|
|
|
Hausman Test |
|
|
|
|
0.13 |
|
|
|
|
|
|
|
p-value |
|
|
|
|
0.9353 |
|
|
|
|
|
|
|
High-Income (31 countries) |
DAI |
164.5099 |
2.26 |
** |
128.4771 |
2.55 |
** |
67.0296 |
1.06 |
|
128.4771 |
3.50 |
*** |
CPI |
1.1761 |
2.72 |
*** |
0.8130 |
2.07 |
** |
-0.0345 |
-0.06 |
|
0.8130 |
2.15 |
** |
BP LM test |
|
28.22 |
|
|
|
|
|
|
|
|
|
|
p-value |
|
0.0000 |
|
|
|
|
|
|
|
|
|
|
Hausman Test |
|
|
|
|
3.39 |
|
|
|
|
|
|
|
p-value |
|
|
|
|
0.1838 |
|
|
|
|
|
|
|
Upper Middle-Income (13 countries) |
DAI |
153.6443 |
0.82 |
|
175.4363 |
2.07 |
** |
177.3311 |
1.91 |
* |
175.4363 |
1.69 |
** |
CPI |
3.5271 |
2.14 |
** |
3.2634 |
2.34 |
*** |
3.1049 |
1.73 |
|
3.2634 |
2.32 |
** |
BP LM test |
|
12.13 |
|
|
|
|
|
|
|
|
|
|
p-value |
|
0.0002 |
|
|
|
|
|
|
|
|
|
|
Hausman Test |
|
|
|
|
0.03 |
|
|
|
|
|
|
|
p-value |
|
|
|
|
0.9875 |
|
|
|
|
|
|
|
Lower Middle-Income (11 countries) |
DAI |
-91.0963 |
-1.04 |
|
-63.4643 |
-2.03 |
** |
-61.3245 |
-1.84 |
* |
-63.4643 |
-2.20 |
** |
CPI |
2.9096 |
3.06 |
*** |
2.0387 |
2.82 |
*** |
1.7242 |
1.97 |
* |
2.0387 |
2.95 |
*** |
BP LM test |
|
10.05 |
|
|
|
|
|
|
|
|
|
|
p-value |
|
0.0008 |
|
|
|
|
|
|
|
|
|
|
Hausman Test |
|
|
|
|
0.42 |
|
|
|
|
|
|
|
p-value |
|
|
|
|
0.8096 |
|
|
|
|
|
|
|