Template-Type: ReDIF-Article 1.0 Author-Name: Apostolos Serletis Title: Unit Root Behavior in Energy Futures Prices Classification-JEL: F0 Pages: 119-128 Volume: Volume 13 Issue: Number 2 Year: 1992 Abstract: This paper re-examines the empirical evidence for random walk type behavior in energy futures prices. In doing so, tests for unit roots in the univariate time-series representation of the daily crude oil, heating oil, and unleaded gasoline series are performed using recent state-of-the-art methodology. The results show that the unit root hypothesis can be rejected if allowance is made for the possibility of a one-time break in the intercept and the slope of the trend function at an unknown point in time. Handle: RePEc:aen:journl:1992v13-02-a06 File-URL: http://www.iaee.org/en/publications/ejarticle.aspx?id=1069 File-Format: text/html File-Restriction: Access to full text is restricted to IAEE members and subscribers.