TABLE 7. Estimated Model Parameters for Each Investigated Country.

Param-eters	Russia	Italy	Brazil	USA (Phase I)	USA (Phase II)
	1.279	1.248	1.039	1.436	1.482
	0.041	0.050	0.017	0.043	0.0513
	0.002	0.014
		0.015		0.004	0.001
	0.011	0.149	0.099	0.048	0.015
	0.002			0.001	0.003
	0.349	0.077	0.835	0.347	1.968
	0.135	0.135	0.144	0.126	0.125
	1.237	0.568		1.527	0.909
	0.007		0.076
	0.016	0.023	0.002	0.020	0.025