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Revisiting the uncertain unit root in GDP and CPI: Testing for non-linear trend reversion

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  • Beechey, Meredith
  • Österholm, Pär

Abstract

We test for the presence of a unit root in U.S. GDP and CPI, allowing for non-linear trend reversion under the alternative hypothesis. In contrast to most previous results, we find evidence in favour of trend stationarity for both variables.

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Bibliographic Info

Article provided by Elsevier in its journal Economics Letters.

Volume (Year): 100 (2008)
Issue (Month): 2 (August)
Pages: 221-223

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Handle: RePEc:eee:ecolet:v:100:y:2008:i:2:p:221-223

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Web page: http://www.elsevier.com/locate/ecolet

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References

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  1. Froot, Kenneth A. & Rogoff, Kenneth, 1995. "Perspectives on PPP and long-run real exchange rates," Handbook of International Economics, in: G. M. Grossman & K. Rogoff (ed.), Handbook of International Economics, edition 1, volume 3, chapter 32, pages 1647-1688 Elsevier.
  2. Elliott, Graham & Rothenberg, Thomas J & Stock, James H, 1996. "Efficient Tests for an Autoregressive Unit Root," Econometrica, Econometric Society, vol. 64(4), pages 813-36, July.
  3. Kapetanios, George & Shin, Yongcheol & Snell, Andy, 2003. "Testing for a unit root in the nonlinear STAR framework," Journal of Econometrics, Elsevier, vol. 112(2), pages 359-379, February.
  4. Niklas J. Westelius & Frederic S. Mishkin, 2006. "Inflation Band Targeting and Optimal Inflation Contracts," Hunter College Department of Economics Working Papers 416, Hunter College: Department of Economics.
  5. Vestin, David, 2006. "Price-level versus inflation targeting," Journal of Monetary Economics, Elsevier, vol. 53(7), pages 1361-1376, October.
  6. Perron, P, 1988. "The Great Crash, The Oil Price Shock And The Unit Root Hypothesis," Papers 338, Princeton, Department of Economics - Econometric Research Program.
  7. Peel, David & Sarno, Lucio & Taylor, Mark P, 2001. "Nonlinear Mean-Reversion in Real Exchange Rates: Towards a Solution to the Purchasing Power Parity Puzzles," CEPR Discussion Papers 2658, C.E.P.R. Discussion Papers.
  8. Michael, Panos & Nobay, A Robert & Peel, David A, 1997. "Transactions Costs and Nonlinear Adjustment in Real Exchange Rates: An Empirical Investigation," Journal of Political Economy, University of Chicago Press, vol. 105(4), pages 862-79, August.
  9. Clark, Peter K., 1989. "Trend reversion in real output and unemployment," Journal of Econometrics, Elsevier, vol. 40(1), pages 15-32, January.
  10. Sercu, Piet & Uppal, Raman & Van Hulle, Cynthia, 1995. " The Exchange Rate in the Presence of Transaction Costs: Implications for Tests of Purchasing Power Parity," Journal of Finance, American Finance Association, vol. 50(4), pages 1309-19, September.
  11. Diebold, Francis X & Senhadji, Abdelhak S, 1996. "The Uncertain Unit Root in Real GNP: Comment," American Economic Review, American Economic Association, vol. 86(5), pages 1291-98, December.
  12. Papell, David H & Prodan, Ruxandra, 2004. "The Uncertain Unit Root in U.S. Real GDP: Evidence with Restricted and Unrestricted Structural Change," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 36(3), pages 423-27, June.
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Cited by:
  1. Ivan Kitov, 2012. "Why price inflation in developed countries is systematically underestimated," Papers 1206.0450, arXiv.org.
  2. Kauko, Karlo, 2010. "The feasibility of through-the-cycle ratings," Research Discussion Papers 14/2010, Bank of Finland.
  3. Wojciech Charemza & Svetlana Makarova & Imran Shah, 2013. "Making the most of High Inflation," Discussion Papers in Economics 13/01, Department of Economics, University of Leicester.
  4. Shelley, Gary L. & Wallace, Frederick H., 2011. "Further evidence regarding nonlinear trend reversion of real GDP and the CPI," Economics Letters, Elsevier, vol. 112(1), pages 56-59, July.
  5. Juan Cuestas & Dean Garratt, 2011. "Is real GDP per capita a stationary process? Smooth transitions, nonlinear trends and unit root testing," Empirical Economics, Springer, vol. 41(3), pages 555-563, December.
  6. Mariam Camarero & Yurena Mendoza & Javier Ordóñez, 2011. "Re-examining CO2 emissions. Is the assessment of convergence meaningless?," Working Papers 2011/06, Economics Department, Universitat Jaume I, Castellón (Spain).
  7. Phiri, Andrew & Dube, Wisdom, 2014. "Nutrition and economic growth in South Africa: A momentum threshold autoregressive (MTAR) approach," MPRA Paper 52950, University Library of Munich, Germany.

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