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Could Sri Lanka afford sustainable electricity consumption practices without harming her economic growth?

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  • Shanthini, Rajaratnam

Abstract

The existence and direction of Granger causality between electricity consumption and economic growth, proxied by gross domestic product (GDP), has been investigated in this study using annual data covering the period 1971 to 2007. The results of the augmented Dickey-Fuller, GLS-detrended Dickey-Fuller and Phillips-Perron tests show that the natural logarithms of both the times series are individually I(1). The autoregressive distributed lag bounds testing approach to cointegration used in this study reveals that the two times series are cointegrated. The estimated long-run equilibrium relationship shows that 1% growth in GDP induces 1.45% growth in electricity consumption, and any deviation from the long-run equilibrium following a short-run disturbance is corrected within 17 months. Granger causality test results reveal uni-directional causality running from economic growth to electricity consumption without any feedback effect. The outcome of such results is beneficial to Sri Lanka’s economic growth since it is not dependent on electricity consumption, and thereby production. It is therefore possible to initiate energy policies towards minimizing wasteful electricity production and consumption practices, without compromising Sri Lanka’s GDP growth, to take her on an electricity-wise sustainable economic development path.

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Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 29582.

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Date of creation: 20 May 2010
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Handle: RePEc:pra:mprapa:29582

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Keywords: ARDL; cointegration; Granger causality; gross domestic product; sustainable electricity consumption; Sri Lanka;

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  1. Ghosh, Sajal, 2002. "Electricity consumption and economic growth in India," Energy Policy, Elsevier, vol. 30(2), pages 125-129, January.
  2. Himanshu A. Amarawickrama & Lester C. Hunt, 2007. "Electricity Demand for Sri Lanka: A Time Series Analysis," Surrey Energy Economics Centre (SEEC), School of Economics Discussion Papers (SEEDS), Surrey Energy Economics Centre (SEEC), School of Economics, University of Surrey 118, Surrey Energy Economics Centre (SEEC), School of Economics, University of Surrey.
  3. Graham Elliott & Thomas J. Rothenberg & James H. Stock, 1992. "Efficient Tests for an Autoregressive Unit Root," NBER Technical Working Papers 0130, National Bureau of Economic Research, Inc.
  4. Morimoto, Risako & Hope, Chris, 2004. "The impact of electricity supply on economic growth in Sri Lanka," Energy Economics, Elsevier, vol. 26(1), pages 77-85, January.
  5. Ferguson, Ross & Wilkinson, William & Hill, Robert, 2000. "Electricity use and economic development," Energy Policy, Elsevier, vol. 28(13), pages 923-934, November.
  6. M. Hashem Pesaran & Yongcheol Shin & Richard J. Smith, 2001. "Bounds testing approaches to the analysis of level relationships," Journal of Applied Econometrics, John Wiley & Sons, Ltd., John Wiley & Sons, Ltd., vol. 16(3), pages 289-326.
  7. Kumar Narayan, Paresh & Singh, Baljeet, 2007. "The electricity consumption and GDP nexus for the Fiji Islands," Energy Economics, Elsevier, vol. 29(6), pages 1141-1150, November.
  8. Granger, C. W. J. & Newbold, P., 1974. "Spurious regressions in econometrics," Journal of Econometrics, Elsevier, Elsevier, vol. 2(2), pages 111-120, July.
  9. Yang, Hao-Yen, 2000. "A note on the causal relationship between energy and GDP in Taiwan," Energy Economics, Elsevier, vol. 22(3), pages 309-317, June.
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