Table 5.

Marginal returns to infrastructure and technology investments in rural China (Fan, Zhang and Zhang, 2011)

Investment	High potential coastal region	Mid potential central region	Low-potential western region
	------------------------------------- Production return in yuan per yuan invested -----------------------------------------
R & D	7.33	8.53	9.23
Irrigation	1.40	0.98	0.93
Roads	3.69	6.909	6.71
Education	6.06	8.45	6.20
Electricity	3.67	4.89	3.33
Rural telephone	4.14	8.05	6.57
	---------------------------- Number of people lifted out of poverty per 10,000 yuan invested-------------------------
R & D	0.97	2.42	14.03
Irrigation	0.15	0.23	1.14
Roads	0.70	2.80	14.60
Education	1.79	5.35	21.09
Electricity	0.92	2.64	9.62
Rural telephone	0.98	4.11	17.99