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Unbiased Estimation of the Half‐Life to Price Index Convergence among U.S. Cities

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  • HIRANYA K. NATH
  • JAYANTA SARKAR

Abstract

Estimates of the half‐life to convergence of prices across a panel of cities are subject to bias from three potential sources: inappropriate cross‐sectional aggregation of heterogeneous coefficients, presence of lagged dependent variables in a model with individual fixed effects, and time aggregation of commodity prices. This paper finds no evidence of heterogeneity bias in annual CPI data for 17 U.S. cities from 1918 to 2006, but correcting for the “Nickell bias” and time aggregation bias produces a half‐life of 7.5 years, shorter than estimates from previous studies.

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  • Hiranya K. Nath & Jayanta Sarkar, 2009. "Unbiased Estimation of the Half‐Life to Price Index Convergence among U.S. Cities," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 41(5), pages 1041-1046, August.
    • Handle: RePEc:wly:jmoncb:v:41:y:2009:i:5:p:1041-1046
    DOI: 10.1111/j.1538-4616.2009.00245.x
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    1. Josep LluIs Carrion-I-Silvestre & Tomas Del Barrio & Enrique Lopez-Bazo, 2004. "Evidence on the purchasing power parity in a panel of cities," Applied Economics, Taylor & Francis Journals, vol. 36(9), pages 961-966.
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    7. Nickell, Stephen J, 1981. "Biases in Dynamic Models with Fixed Effects," Econometrica, Econometric Society, vol. 49(6), pages 1417-1426, November.
    8. David C. Parsley & Shang-Jin Wei, 1996. "Convergence to the Law of One Price Without Trade Barriers or Currency Fluctuations," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 111(4), pages 1211-1236.
    9. Choi, Chi-Young & Mark, Nelson C. & Sul, Donggyu, 2006. "Unbiased Estimation of the Half-Life to PPP Convergence in Panel Data," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 38(4), pages 921-938, June.
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    Cited by:

    1. Christina Christou & Juncal Cunado & Rangan Gupta, 2019. "Price Convergence Patterns across U.S. States," Panoeconomicus, Savez ekonomista Vojvodine, Novi Sad, Serbia, vol. 66(2), pages 187-201.
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    3. Natalie D. Hegwood & Hiranya K. Nath, 2014. "Real exchange rate dynamics: Evidence from India," Economic Analysis and Policy, Elsevier, vol. 44(4), pages 396-404.
    4. Hegwood, Natalie D. & Nath, Hiranya K., 2013. "Structural breaks and relative price convergence among US cities," Journal of Macroeconomics, Elsevier, vol. 36(C), pages 150-160.
    5. Syed Basher & Josep Carrion-i-Silvestre, 2011. "Measuring persistence of U.S. city prices: new evidence from robust tests," Empirical Economics, Springer, vol. 41(3), pages 739-745, December.
    6. Abdel-Baki Monal A., 2012. "The Impact of Basel III on Emerging Economies," Global Economy Journal, De Gruyter, vol. 12(2), pages 1-33, June.
    7. Barman, Hemanta & Dutta, Mrinal Kanti & Nath, Hiranya K., 2018. "The telecommunications divide among Indian states," Telecommunications Policy, Elsevier, vol. 42(7), pages 530-551.
    8. Faik Bilgili, 2016. "City Price Convergence in Turkey with Structural Breaks," International Journal of Economics and Financial Issues, Econjournals, vol. 6(3), pages 933-941.
    9. Nagayasu, Jun, 2010. "Regional Inflation (Price) Behaviors: Heterogeneity and Convergence," MPRA Paper 25430, University Library of Munich, Germany.
    10. Hiranya K. Nath & Jayanta Sarkar, 2014. "City Relative Price Dynamics in Australia: Are Structural Breaks Important?," The Economic Record, The Economic Society of Australia, vol. 90(288), pages 33-48, March.
    11. Felipe S. Bastos & Elano F. Arruda & Rafael B. Barbosa & Roberto T. Ferreira, 2018. "Speed of Reversion to PPP with Structural Breaks for Brazilian Cities," International Journal of Economics and Finance, Canadian Center of Science and Education, vol. 10(4), pages 15-24, April.
    12. Nagayasu, Jun, 2011. "Heterogeneity and convergence of regional inflation (prices)," Journal of Macroeconomics, Elsevier, vol. 33(4), pages 711-723.
    13. Woo, Kai-Yin & Lee, Shu-Kam & Chan, Alan, 2014. "Non-linear adjustments to intranational PPP," Journal of Macroeconomics, Elsevier, vol. 40(C), pages 360-371.
    14. Chmelarova, Viera & Nath, Hiranya K., 2010. "Relative price convergence among US cities: Does the choice of numeraire city matter?," Journal of Macroeconomics, Elsevier, vol. 32(1), pages 405-414, March.

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