No-arbitrage Near-Cointegrated VAR(p) Term Structure Models, Term Premia and GDP Growth The recent macro-finance yield curve literature has focused on the extraction of a reliable measure of term premia (on long-term bonds) and on their relevant relationship with future economic activity (GDP), because of the practical implications of this relationship for the conduct of the monetary policy. However, the associated empirical findings do not agree neither about term premia empirical properties nor about the importance or even the direction of the above mentioned relationship. The present paper proposes a two-step approach to handle both problems. First, in a VAR setting, we extract a reliable measure of the term premia by means of averaging estimators techniques aiming at optimally solving prediction problems when highly persistence processes are present and, thus, providing a so called Near-Cointegrated VAR(p) approach. Second, we analyze the dynamic response of the GDP to shocks on the term premia by using the New Information Response Function concept allowing, in particular, to deal with shocks on variables which are filters of the basic ones in the model. Results in both steps are quite different from those appearing in the literature because of a careful treatment of persistence, in the first step, and of the number of lags in the second one. First, we find, coherently with the typical macroeconomic view, and in contrast with OLS-based VAR decompositions, that the NCVAR-based term premium measure is rather stable and contra-cyclical, with the expectation part accounting for most of the yield variability. Second, we find that an increase of the long-term spread caused by a rise of a term premium induces two effects on future economic activity: the impact is negative for short horizons (less than one year), whereas it is positive for longer ones. Therefore, this result suggests that the above mentioned ambiguity could come from the fact that the sign of this relationship is changing over the period that follows the shock.
No 181 / January 2017Disclaimer: This paper should not be reported as representing the views of the European Central Bank (ECB). The views expressed are those of the authors and do not necessarily reflect those of the ECB.
for useful comments. The views expressed herein are those of the authors and do not necessarily reflect those of the Banque de France, the Central Bank of Ireland or the Eurosystem.
for their comments and suggestions on an earlier version of the study. We also wish to thank the two anonymous reviewers for their comments and suggestions.
The goal of this paper is to develop a test for the relative importance of the time-varying term premium and the peso-problem for rejection of the Expectation Hypothesis of the Term Structure (EHTS). Our reasoning is based on a term structure model that allows for both phenomena simultaneously. If we assume that only one regime is observed ex post, we can estimate all the information we need to evaluate distortions generated by both hypotheses. We can also test the presence of a peso-problem. Firstly we find that a peso-problem might explain rejection of the EHTS in Germany and the United Kingdom after the European exchange rate crisis. Secondly, we show that this explanation appears inappropriate to explain the EHTS failure in the United States.
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