A Variance Ratio Test of Random Walk in Energy Spot Markets
This study tests the random walk hypothesis in the spot prices of the petroleum products markets. Under the variance ratio test, a less restrictive random walk process namely the martingale process is examined over the period 1998-2008. The variance ratio methodology is capable of providing information regarding the linearity of multi-period variances, serial correlation as well as possible conditional heteroscedastic effect in the selected spot markets. Due to the long spanning daily data, CUSUM and Andrews tests of structural change are conducted to avoid any possible misleading statistical inferences caused by the unstable parameter in the spot markets. Our empirical findings can be summarized as follows: (1) All the energy markets reject the independent and identically distributed random walk; (2) The WTI crude oil spot prices evidence the presence of autocorrelation and conditional heteroscedastic increments; (3) The Brent crude oil and New York Harbour conventional gasoline spot prices provide strong evidence of conditional heteroscedastic increments martingale process. As a conclusion, although the energy resources returns are martingales, the heteroscedastic increments can still be used to measure the market risk and to earn a risk-adjusted abnormal return in the energy spot markets.
Volume (Year): 8 (2010)
Issue (Month): 1 (January)
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- Svetlana Maslyuk & Russell Smyth, 2007.
"Unit Root Properties of Crude Oil Spot and Futures Prices,"
Monash Economics Working Papers
40-07, Monash University, Department of Economics.
- Maslyuk, Svetlana & Smyth, Russell, 2008. "Unit root properties of crude oil spot and futures prices," Energy Policy, Elsevier, vol. 36(7), pages 2591-2600, July.
- Junsoo Lee & John A. List & Mark Strazicich, 2005.
"Nonrenewable Resource Prices: Deterministic or Stochastic Trends?,"
NBER Working Papers
11487, National Bureau of Economic Research, Inc.
- Lee, Junsoo & List, John A. & Strazicich, Mark C., 2006. "Non-renewable resource prices: Deterministic or stochastic trends?," Journal of Environmental Economics and Management, Elsevier, vol. 51(3), pages 354-370, May.
- Junsoo Lee & John A. List & Mark C. Strazicich, 2005. "Nonrenewable Resource Prices: Deterministic or Stochastic Trends?," Working Papers 05-20, Department of Economics, Appalachian State University.
- Matteo Manera & Alessandro Cologni, 2005.
"Oil Prices, Inflation and Interest Rates in a Structural Cointegrated VAR Model for the G-7 Countries,"
2005.101, Fondazione Eni Enrico Mattei.
- Cologni, Alessandro & Manera, Matteo, 2008. "Oil prices, inflation and interest rates in a structural cointegrated VAR model for the G-7 countries," Energy Economics, Elsevier, vol. 30(3), pages 856-888, May.
- Sadorsky, Perry, 1999. "Oil price shocks and stock market activity," Energy Economics, Elsevier, vol. 21(5), pages 449-469, October.
- Postali, Fernando A.S. & Picchetti, Paulo, 2006. "Geometric Brownian Motion and structural breaks in oil prices: A quantitative analysis," Energy Economics, Elsevier, vol. 28(4), pages 506-522, July.
- Askari, Hossein & Krichene, Noureddine, 2008. "Oil price dynamics (2002-2006)," Energy Economics, Elsevier, vol. 30(5), pages 2134-2153, September.
- Narayan, Paresh Kumar & Narayan, Seema & Smyth, Russell, 2008. "Are oil shocks permanent or temporary? Panel data evidence from crude oil and NGL production in 60 countries," Energy Economics, Elsevier, vol. 30(3), pages 919-936, May.
- Kaufmann, Robert K. & Laskowski, Cheryl, 2005. "Causes for an asymmetric relation between the price of crude oil and refined petroleum products," Energy Policy, Elsevier, vol. 33(12), pages 1587-1596, August.
- Narayan, Paresh Kumar & Smyth, Russell, 2007. "A panel cointegration analysis of the demand for oil in the Middle East," Energy Policy, Elsevier, vol. 35(12), pages 6258-6265, December.
- Park, Jungwook & Ratti, Ronald A., 2008. "Oil price shocks and stock markets in the U.S. and 13 European countries," Energy Economics, Elsevier, vol. 30(5), pages 2587-2608, September.
- Miller, J. Isaac & Ratti, Ronald A., 2009.
"Crude oil and stock markets: Stability, instability, and bubbles,"
Elsevier, vol. 31(4), pages 559-568, July.
- J. Isaac Miller & Ronald Ratti, 2008. "Crude Oil and Stock Markets: Stability, Instability, and Bubbles," Working Papers 0810, Department of Economics, University of Missouri, revised 20 Jan 2009.
- Serletis, Apostolos & Rangel-Ruiz, Ricardo, 2004. "Testing for common features in North American energy markets," Energy Economics, Elsevier, vol. 26(3), pages 401-414, May.
- Nandha, Mohan & Faff, Robert, 2008. "Does oil move equity prices? A global view," Energy Economics, Elsevier, vol. 30(3), pages 986-997, May.
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