Table 4 Uranium: parameter estimates...

Table 4

Uranium: parameter estimates after variable selection

$\overset{̅}{x}$	$m$	$θ$	$β$	$α$	$θ_{D U}$
0.113	0.105*	0.455*	0.228*	−1.012	0.414**
[0.033]	[0.016]	[0.014]	[0.010]	[0.8655]	[0.242]

$θ_{G R I}$	$ϕ_{11}$	$ϕ_{12}$	$ϕ_{21}$	$ϕ_{22}$
0.152**	0.763	2.064**	1.881***	0.805**	–
[0.256]	[1.120]	[0.686]	[3.442]	[0.873]	–

Note(s): *, **, and *** indicate significance at the 1%, 5%, and 10%, respectively. Standard deviations are reported in square brackets

Source(s): Authors' own elaboration

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