Herman Wold (1908-2002) was a prominent Swedish economist and statistician, known for his significant contributions to econometrics, particularly in the areas of time series analysis and structural modeling. He is best known for developing techniques related to the estimation of structural models using instrumental variables and for his work in the realm of partial least squares (PLS) regression. Wold's research laid the groundwork for much of the modern approach to model specification, estimation, and validation in econometrics.
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