1. Barrett CB, Carter MR, Timmer P (2010) A century-long perspective on agricultural development. Am J Agric Econ 92(2):447–468
2. Boserup E (1965) The conditions of agricultural growth: the economics of agrarian change under population pressure. Allen and Unwin, London
3. Cavatassi R, Davis B, Lipper L (2004) Estimating poverty over time and space: construction of a time-variant poverty index for Costa Rica. ESA working paper no. 04-21. FAO, Rome
4. Darnell AC (1994) A dictionary of econometrics. Edward Elgar, Cheltenham
5. David CC, Otsuka K (1994) Modern rice technology and income distribution in Asia. Lynne Rienner, Boulder