How the economics of such an approach evolve depends on the commitment of the international community to attain such sustainable and environmental goals. There has been a substantial global investment in agricultural mechanization and automation by governments, industry, farmers and international agencies. In general, the return on investment has been spectacular.
Other things being equal, farming output will therefore fall (or grow more slowly), depending on the elasticity of final demand. Farmers mechanize, although they can seldom prevent some increase in their production cost. The best example of these trends comes from the United States after 1940. The use of tractors, combines, and other machines expanded at unprecedented rates. Although labor input per acre or per animal had declined a little between 1915 and 1939, it fell sharply after 1940.

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How the economics of such an approach evolve depends on the commitment of the international community to attain such sustainable and environmental goals. There has been a substantial global investment in agricultural mechanization and automation by governments, industry, farmers and international agencies. In general, the return on investment has been spectacular.
Other things being equal, farming output will therefore fall (or grow more slowly), depending on the elasticity of final demand. Farmers mechanize, although they can seldom prevent some increase in their production cost. The best example of these trends comes from the United States after 1940. The use of tractors, combines, and other machines expanded at unprecedented rates. Although labor input per acre or per animal had declined a little between 1915 and 1939, it fell sharply after 1940.

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