We propose methods for testing hypotheses of non-causality at various horizons, as defined in Dufour and Renault (1998, Econometrica). We study in detail the case of VAR models and we propose linear methods based on running vector autoregressions at different horizons. While the hypotheses...

We Show That the Destabilizing Effects of Price Flexibility Due to the Increased Sensitivity of Contract Wages to Labor Market Tightness Depends Critically on an Arbitrary Restriction on the Information Available to Wage Settes Who Ae Negotiating Contact Renewals. If These Agents Are Put on the...

This Paper Shows That Evidence of a Unit Root in Gnp Can Be Consistent with a Contract-Based Approach to Business Cycles Unlike Previous Attempts on the Persistence of Output Fluctuations in Models with Nominal Rigidities, It Is Shown That a Shift From a Situation of Weak Or Moderate Nominal...