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Why are farms so small?
Johnson, Nancy, (1993)
Cost functions in relation to farm size and machinery technology in Southern Iowa
Ihnen, Loren, (1964)
The roles of agroclimatic similarity and returns on scale in the demand for mechanization : insights from Northern Nigeria
Takeshima, Hiroyuki, (2017)
Can economic growth be sustained? : the collected papers of Vernon W. Ruttan and Yūjirō Hayami
Ruttan, Vernon W., (2011)
Induced technical change, induced institutional change, and mechanism design