Table 2.

Moran’s I values of explanatory variables.

Region	$\mathbf{ln}\mathit{L}\mathit{o}\mathit{c}{\mathit{k}}_{\mathit{i}}$	$\mathbf{ln}\mathit{P}{\mathit{M}}_{\mathit{i}}$	$\mathbf{ln}\mathit{C}\mathit{O}\mathit{V}\mathit{I}{\mathit{D}}_{\mathit{i}}$	$\mathbf{ln}\mathit{G}\mathit{D}{\mathit{P}}_{\mathit{i}}$	$\mathbf{ln}\mathit{P}\mathit{o}{\mathit{p}}_{\mathit{i}}$	$\mathbf{ln}\mathit{I}\mathit{n}\mathit{d}\mathit{e}{\mathit{x}}_{\mathit{i}}$	$\mathbf{ln}\mathit{O}\mathit{p}\mathit{e}{\mathit{n}}_{\mathit{i}}$	$\mathbf{ln}\mathit{F}\mathit{D}{\mathit{I}}_{\mathit{i}}$	$\mathbf{ln}{\mathit{r}}_{\mathit{i}}$	$\mathbf{ln}\mathit{T}\mathit{e}\mathit{m}{\mathit{p}}_{\mathit{i}}$
World	0.155 ***	0.515 ***	0.578 ***	0.664 ***	0.154 ***	0.180 ***	0.071 **	0.052 *	0.352 ***	0.733 ***
Asia	0.335 ***	0.674 ***	0.335 ***	0.345 ***	0.154 ***	0.180 ***	0.060 *	0.053 *	0.290 ***	0.567 ***
Europe	0.239 **	0.124 ***	0.564 **	0.782 ***	0.201 **	0.203 ***	0.092 *	0.033 *	0.402 ***	0.902 ***
Africa	0.024 **	0.503 **	0.332 ***	0.502 ***	0.029 *	0.120 ***	0.022 *	0.039 *	0.103 ***	0.804 ***
America	0.226 *	0.402 ***	0.302 ***	0.702 ***	0.334 ***	0.048 *	0.089 *	0.060 *	0.420 ****	0.702 ***

Note: “*”, “**”, and “***” denote significance at the 10%, 5%, and 1% levels, respectively.