Forecasting Multivariate Time Series under Present-Value-Model Short- and Long-run Co-movement Restrictions

Osmani Teixeira Carvalho Guillen, Alain Hecq, João Issler and Diogo Vinícius Menezes Saraiva

No 753, FGV EPGE Economics Working Papers (Ensaios Economicos da EPGE) from EPGE Brazilian School of Economics and Finance - FGV EPGE (Brazil)

Abstract: This paper has two original contributions. First, we show that the present value model (PVM hereafter), which has a wide application in macroeconomics and fi nance, entails common cyclical feature restrictions in the dynamics of the vector error-correction representation (Vahid and Engle, 1993); something that has been already investigated in that VECM context by Johansen and Swensen (1999, 2011) but has not been discussed before with this new emphasis. We also provide the present value reduced rank constraints to be tested within the log-linear model. Our second contribution relates to forecasting time series that are subject to those long and short-run reduced rank restrictions. The reason why appropriate common cyclical feature restrictions might improve forecasting is because it finds natural exclusion restrictions preventing the estimation of useless parameters, which would otherwise contribute to the increase of forecast variance with no expected reduction in bias. We applied the techniques discussed in this paper to data known to be subject to present value restrictions, i.e. the online series maintained and up-dated by Shiller. We focus on three different data sets. The fi rst includes the levels of interest rates with long and short maturities, the second includes the level of real price and dividend for the S&P composite index, and the third includes the logarithmic transformation of prices and dividends. Our exhaustive investigation of several different multivariate models reveals that better forecasts can be achieved when restrictions are applied to them. Moreover, imposing short-run restrictions produce forecast winners 70% of the time for target variables of PVMs and 63.33% of the time when all variables in the system are considered.

Date: 2014-06-02
New Economics Papers: this item is included in nep-ets and nep-for
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Related works:
Journal Article: Forecasting multivariate time series under present-value model short- and long-run co-movement restrictions (2015)
Working Paper: Forecasting multivariate time series under present-value-model short- and long-run co-movement restrictions (2015)
Working Paper: Forecasting multivariate time series under present-value-model short- and long-run co-movement restrictions (2013)
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