A

Test question analysis: This question tests students’ understanding of the U.S. economy after World War II. When solving the problem, grasp the key information "He won the Nobel Prize in Economics in 1976". Combined with the knowledge you have learned, you can know that the United States started the "new economy" economic growth model in the 1990s. This is inconsistent with the time in the material, so A is consistent with the meaning of the question. Therefore choose A.