Rescuing Econometrics Av Duo Qin

<P>Haavelmo¿s 1944 monograph, <EM>The Probability Approach in Econometrics</EM>, is widely acclaimed as the manifesto of econometrics. This book challenges Haavelmo¿s probability approach, shows how its use is delivering defective and inefficient results, and argues for a paradigm shift in econometrics towards a full embrace of machine learning, with its attendant benefits.</P><P>Machine learning has only come into existence over recent decades, whereas the universally accepted and current form of econometrics has developed over the past century. A comparison between the two is, however, striking. The practical achievements of machine learning significantly outshine those of econometrics, confirming the presence of widespread inefficiencies in current econometric research. The relative efficiency of machine learning is based on its theoretical foundation, and particularly on the notion of Probably Approximately Correct (PAC) learning. Careful examination reveals that PAC learning theor

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