英语70词小作文our coutry has changed a lot since 1978,write down t

After 1978,technical progress in China was biased in a labour-saving direction and the elasticity of substitution was substantially less than unity.Secondly,it is shown that the notion of total factor productivity growth used in most analysis is problematic and misleading since it is based on the concept of aggregate production function.It is shown that the aggregate production function is subject to insurmountable problems that limit its usefulness for empirical exercises.The progress is obvious in the economic prosperity in major cities,and how the economy is being industrialized and capitalized.The Ten-Year Plan called for an increase in steel production to 60 million tons per year by 1985 and to 180 million by 1999.The leadership didn't expect to achieve such gains by homegrown development,instead they entered into a $14 billion contract with a German steel company to build a major steel complex in eastern Hebei province and a $2 billion contract with a Japanese firm to build another on the outskirts of Shanghai.Other plants were also to be built.