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. 2010 Dec 20;109(31):12309–12314. doi: 10.1073/pnas.0913334108

Table 1.

Rural population share as a function of income per capita and agricultural policy

Variables (1) OLS (2) System-GMM (3) System-GMM
Log income per capita −16.19* (3.018) −15.79* ( 0.0723) −14.76* (0.0868)
RRA possible dummy −5.170 (3.532) −5.425* (0.154) 33.78* (1.513)
Log income × RRA possible dummy −4.986* (0.191)
Year −0.197(0.103) −0.200* (0.00749) −0.171* (0.00809)
Constant 577.9* (203.9) 581.3* (14.89) 515.2* (16.12)
Observations 564 564 564
R-squared 0.636
Number of countries 24 24 24

Robust SEs are given in parentheses. Standard errors are clustered at country level.

*P < 0.01.

P < 0.1.