Author(s): Adrian Pagan and Gregory C. Chow
Source: Econometric Theory, Vol. 11, No. 3 (Aug., 1995), pp. 597-624
Gregory Chow has been an important figure in econometrics for almost four decades. There can be few students of quantitative economics who have not been taught the "Chow test" for structural change in regression and equally few applied studies that do not report it. But Gregory's work has been much broader than this-techniques developed in papers on the stock adjustment model, dynamic responses, and control methods have all become part of the milieu of the practicing econometrician. It is notable that this work has never been "theory for theory's sake"; behind it has always been the desire to fash- ion tools that would be immediately useful for the analysis of economic data. It has also been strongly oriented toward the analysis of systems, and his interest in systems has played itself out in many ways -from simulta- neous equation estimation and analysis through control methods to prob- lems of the Chinese economy. There can be few econometricians who have made contributions across such a wide spectrum of issues.
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