agriculturedevelopment.ppt

1、Agriculture Development,Theories of Agriculture Development,Review: agriculture growth is critical(if not precondition) for industrialization and general economic growth.but forget the progress of agriculture growth itself.and technical change and institutional evolution have been treated as exogeno

2、us.,Suggestions and Problem,To abandon the view of agriculture in pre-mordern or traditional societies as static. Accelarate the rate of growth of agricultural output and productivity,consistent with the growth of other sectors of a modernizing economy. A theory about the dynamic of agriculture grow

3、th.,Approaches,(a)the resourse exploitation (b)the conservation (c)the location (d)the diffusion (e)the high-payoff (f)the induced models,The Resource Exploitation Model,Increase agriculture production,Expand the areas,“staple”model: export “vent-for-surplus”model: surplus land and capacity enable p

4、easant produceers,even though confronting relaively fixed technical coefficients,to expand production rapily under the stimulus of new markets opende up by the reduction of transport costs.,most of the growth in crop and animal production come from increases in the frequency and intensity of cultiva

5、tion,Problems,How to generate growth in land and labor productivity when the slack resulting from underutilized natural resourse has been exhausted.(MP递减规律） Is not sustainable over the long run,it is necessary to make a transition.,The conservation model,The law of diminishing returns(边际报酬递减规律）,The open-three-field system,Nor-folk-crop-rotation system,Crop-live-stock production,Theories,New husbandry. The doctrine of soil exhaustion. The hunus of p