Table 13.

Coefficients of the Q _R,Q _W and LS μ _LS regression for CO₂ emission example

τ	Weight	${\hat{\beta }}_0\left(\tau \right)$	${\hat{\beta }}_1\left(\tau \right)$	${\hat{\beta }}_2\left(\tau \right)$
LS	−	–22.5009	2.0708	1.2998
0.95	Q R	–41.6856	5.8924	0.5527
	Q W	–29.9131	5.1521	–0.2094
0.96	Q R	–44.8147	5.4258	1.9505
	Q W	–24.5504	4.4470	0.1609
0.97	Q R	–46.7095	5.6513	2.4429
	Q W	–37.4893	5.1502	1.4934
0.98	Q R	–47.4004	5.7323	2.4739
	Q W	–47.4004	5.7323	2.4739
0.99	Q R	–51.2657	6.1856	2.6475
	Q W	–51.2657	6.1856	2.6475