By Duo Qin
Duo Qin has supplied a scholarly research of a vital interval within the background of econometrics. She strains the formation of econometric concept through the interval 1930-1960, and specializes in the formalization of mathematical and clinical techniques to examine monetary difficulties. This booklet offers with the advances made within the perform of econometrics as a self-discipline, by way of the fundamental matters is econometric modelling: the likelihood of foundations, estimations, identity, checking out, and version development and specification. Duo Qin argues that, whereas the chance revolution in econometrics within the early Nineteen Forties laid the foundation for the systematization of econometric thought, it was once truly an incomplete revolution, and its incompleteness underlay a variety of difficulties and screw ups that happened in utilizing the newly eastablished concept to modelling perform. version building and speculation trying out remained not easy as the uncomplicated challenge of induction in econometrics was once no longer adequately formalized and solved. The e-book therefore hyperlinks early econometric heritage with many problems with curiosity to modern advancements in econometrics.
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Additional info for The Formation of Econometrics: A Historical Perspective
It induced Haavelmo to focus his attention on formalizing several technical aspects of estimating the coefficients of a simultaneous-equation model (SEM) based upon Frisch's idea of a weight system. His work in the area soon proved to be fruitful and influential (see Chapters 2, 3, and 4), and his achievements in turn helped to sharpen his philosophical insight in econometrics, A major event that launched Haavelmo into a thorough advocacy of the probability approach, and therefore into leading a probability revolution in econometrics was the well-known debate around 1940 started by J.
Since probability theory underlay both types of method, its acceptance came inevitably with studies of the randomness in economic time-series. It was inherent in the importance of these studies, as seen from his argument: A thorough analysis of the random element in economic time-series is very important for the following reason: Any statistical comparison of time-series or their components or characteristics must be based on the theory of probability on which all statistical methods necessarily rest.
The development of the limited information maximum-likelihood (LIML) estimation method remained the main achievement of the Cowles group (see Chapter 3), Its second achievement—identification theory in terms of order and rank conditions—was quite independent of aoy probability theory (see Chapter 4). The issue of model choice with respect to statistical inference was ignored (see Koopmans 1950: 44; also eh. 2), Based upon the assumption of given structural models, the Cowles workers spared little effort in devising hypothesis-testing methods (see Chapter 5), Through their work, the influence of Haavelmo's approach was reduced to a spectrum of estimation, identification, testing, and specification, each of which was to grow increasingly independent of the others as the technical complications involved became more numerous.