Fertility and the plough

The American Economic Review Vol/Iss. 101(3) American Economic Association Published In Pages: 499-503
By Alesina, Alberto, Giuliano, Paola, Nunn, Nathan


Historic plough use will be positively associated with fertility rate (499).


A negative association was found to be significant at the 5% level without controls, and at 10% when controlling for indicators of geoclimatic suitability of plough use, including presence of domesticated bovines or equines, presence of tropical or subtropical climate, political complexity, and economic complexity.


Test NameSupportSignificanceCoefficientTail
Linear regressionNot Supportedp < 0.05UNKNOWNUNKNOWN


Variable NameVariable Type OCM Term(s)
Fertility RateDependentBirth Statistics
Historical Plow UseIndependentTillage, Agricultural Machinery