World Development · 2014 · 125 citations · 43 references
AgricultureAgricultural EconomicsOrganic AgricultureAgricultural DevelopmentRural DevelopmentRural EconomicsAgricultural Household EconomicsAgricultural Production SystemsOrganic Certification StandardsPovertyRural Development EconomicsSmallholder Farming SystemsFarm Household PovertyOrganic Farming SystemsOrganic Production SystemsRural Livelihood DevelopmentSmallholder Farm ManagementSmallholder FarmersSmallholder Livelihoods
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The Estimation of Economic Relationships using Instrumental Variables
J. D. Sargan · Econometrica · 1958 · 3.4K citations