Table 3.
all countries | arid countries (countries in SSA outside Congo Basin) | |
---|---|---|
independent variables | ||
proportion of lands that are unsuitable for agriculture | 0.010*** (0.001) | −0.135*** (0.040) |
carbon stock density in forests | −0.040*** (0.010) | 1.247*** (0.330) |
proportion of the population living in urban areas, 2000 | 0.016*** (0.003) | |
oil and gas receipts as % of exports | −2.94* (1.57) | |
cereal imports per capita | −0.046** (0.014) | |
population growth 1990s (% per annum) | 0.202* (0.079) | |
r2 | 0.688 | 0.670 |
n | 38 | 32 |
*p < 0.10, **p < 0.01, ***p < 0.001.