剧情简介：The core methods in today's econometric toolkit are linear regression for statistical control, instrumental variables methods for the analysis of natural experiments, and differences-in-differences methods that exploit policy changes. In the modern experimentalist paradigm, these techniques address clear causal questions such as: Do smaller classes increase learning? Should wif...(展开全部)
作者：Joshua D. Angrist
出版社：Princeton University Press
ISBN：9780691120348
