Abstract
Vector autoregressive (VAR) models have become one of the dominant research tools in the analysis of macroeconomic time series during the last two decades. The great success of this modeling class started with Sims’ (1980) critique of the traditional simultaneous equation models (SEM). Sims criticized the use of ‘too many incredible restrictions’ based on’ supposed a priori knowledge’ in large scale macroeconometric models which were popular at that time. Therefore, he advocated largely unrestricted reduced form multivariate time series models, unrestricted VAR models in particular. Ever since his influential paper these models have been employed extensively to characterize the underlying dynamics in systems of time series. In particular, tools to summarize the dynamic interaction between the system variables, such as impulse response analysis or forecast error variance decompositions, have been developed over the years. The econometrics of VAR models and related quantities is now well established and has found its way into various textbooks including inter alia Lütkepohl (1991), Hamilton (1994), Enders (1995), Hendry (1995) and Greene (2002).
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© 2004 Springer-Verlag Berlin Heidelberg
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Brüggemann, R. (2004). Introduction. In: Model Reduction Methods for Vector Autoregressive Processes. Lecture Notes in Economics and Mathematical Systems, vol 536. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-17029-4_1
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DOI: https://doi.org/10.1007/978-3-642-17029-4_1
Publisher Name: Springer, Berlin, Heidelberg
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