The promise of finding long-term technological solutions to the problem of world food shortages seems difficult to fulfill Many innovations that were once heavily supported and publicized have since fallen by the wayside. The proposals themselves were technically feasible, but they proved to be economically unenviable and to yield food products culturally unacceptable to their consumers.
One characteristic common to unsuccessful food innovations has been that, even with extensive government support, they often have not been technologically adapted or culturally acceptable to the people for whom they had been developed. A successful new technology, therefore, must fit the entire sociocultural system in which it is to find a place Security of crop yield, practicality of storage, and costs are much more significant than what had previously been realized by the advocates of new technologies.
The adoption of new food technologies depends on more than these techn
A. economists in the Anglo-American tradition hold the opinion that profitability is the key factor guiding technical change
B. the theory of the economists in the Anglo-American tradition is substantially wrong
C. innovations that carry high rewards for big agribusiness groups will harm segments of the population and reduce the availability of food in a country
D. most technological innovations in agriculture can be fully used by large landowners if the innovation will increase their incomes
我来回答: