The Big Mac Index two decades on: an evaluation of burgernomics
AbstractThe Big Mac Index, introduced by The Economist magazine more than two decades ago, claims to provide the âtrue valueâ of a large number of currencies. This paper assesses the economic value of this index. We show that (i) the index suffers from a substantial bias; (ii) once the bias is allowed for, the index tracks exchange rates reasonably well over the medium to longer term in accordance with relative purchasing power parity theory; (iii) the index is at least as good as the industry standard, the random walk model, in predicting future currency values for all but shortterm horizons; and (iv) future nominal exchange rates are more responsive than prices to currency mispricing. While not perfect, at a cost of less than $US10 per year, the index seems to provide good value for money.
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Bibliographic InfoArticle provided by John Wiley & Sons, Ltd. in its journal International Journal of Finance & Economics.
Volume (Year): 17 (2012)
Issue (Month): 1 (01)
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Web page: http://www.interscience.wiley.com/jpages/1076-9307/
Other versions of this item:
- Kenneth W Clements & Yihui Lan & Shi Pei Seah, 2010. "The Big Mac Index Two Decades On An Evaluation Of Burgernomics," Economics Discussion / Working Papers 10-14, The University of Western Australia, Department of Economics.
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- Clements, Kenneth W. & Lan, Yihui, 2010.
"A new approach to forecasting exchange rates,"
Journal of International Money and Finance,
Elsevier, vol. 29(7), pages 1424-1437, November.
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