２０世纪经济学主流的演变编者按：本文发表之际传来消息：罗伯特·卢卡斯教授荣获１９９５年度诺贝尔经济学奖，这表明新古典主义宏观经济学已成为当代西方经济学的主流。云伟宏萨缪尔森曾经说：“经济学本质上是一门发展的科学。它的变化反映了社会经济趋势的变化。”本... The Evolution of the Mainstream Economics of the 20th Century Editor’s Note: As the paper announces, Professor Robert Lucas won the 1995 Nobel Prize for Economics, which shows that neoclassical macroeconomics has become the mainstream of contemporary Western economics. Samuelson cloud once said: “Economics is essentially a science of development, its changes reflect the changes in social and economic trends.” ...