A Variance Ratio Test of Random Walk in Energy Spot Markets
AbstractThis 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.
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Bibliographic InfoArticle provided by The Indian Econometric Society in its journal Journal of Quantitative Economics.
Volume (Year): 8 (2010)
Issue (Month): 1 (January)
Postal: Managing Editor, Journal of Quantitative Economics, Indira Gandhi Institute of Development Research (IGIDR), Gen. A.K. Vaidya Marg, Goregaon (E), Mumbai 400 065 , INDIA
Find related papers by JEL classification:
- C13 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Estimation: General
- C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models &bull Diffusion Processes
- C53 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Forecasting and Prediction Models; Simulation Methods
- G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill
- Q40 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - General
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- 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.
- Sadorsky, Perry, 1999. "Oil price shocks and stock market activity," Energy Economics, Elsevier, vol. 21(5), pages 449-469, October.
- 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.
- 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.
- Maslyuk, Svetlana & Smyth, Russell, 2008.
"Unit root properties of crude oil spot and futures prices,"
Elsevier, vol. 36(7), pages 2591-2600, July.
- Svetlana Maslyuk & Russell Smyth, 2007. "Unit Root Properties of Crude Oil Spot and Futures Prices," Development Research Unit Working Paper Series 40-07, Monash University, Department of Economics.
- Junsoo Lee & John A. List & Mark C. Strazicich, 2005.
"Nonrenewable Resource Prices: Deterministic or Stochastic Trends?,"
05-20, Department of Economics, Appalachian State University.
- 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 Strazicich, 2005. "Nonrenewable Resource Prices: Deterministic or Stochastic Trends?," NBER Working Papers 11487, National Bureau of Economic Research, Inc.
- Askari, Hossein & Krichene, Noureddine, 2008. "Oil price dynamics (2002-2006)," Energy Economics, Elsevier, vol. 30(5), pages 2134-2153, September.
- Nandha, Mohan & Faff, Robert, 2008. "Does oil move equity prices? A global view," Energy Economics, Elsevier, vol. 30(3), pages 986-997, May.
- 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.
- Cologni, Alessandro & Manera, Matteo, 2008.
"Oil prices, inflation and interest rates in a structural cointegrated VAR model for the G-7 countries,"
Elsevier, vol. 30(3), pages 856-888, May.
- Matteo Manera & Alessandro Cologni, 2005. "Oil Prices, Inflation and Interest Rates in a Structural Cointegrated VAR Model for the G-7 Countries," Working Papers 2005.101, Fondazione Eni Enrico Mattei.
- 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.
- 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.
- 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.
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