Through the Looking Glass: A WARPed View of Real Exchange Rate History

No w0210, Working Papers from Center for Economic and Financial Research (CEFIR)

Abstract: Commonly used trade-weighted real exchange rate indices are computed as indices-of-indices, and thus do not adequately account for growth in trade with developing countries. Weighted Average Relative Price (WARP) indices solve this problem but do not control for productivity differences, as developing countries are observed to have lower price levels via the Balassa-Samuelson effect. I remedy these problems in two ways. First I propose a Balassa-Samuelson productivity adjustment toWeighted Average Relative Price indices (BS-WARP). Secondly, I introduce a Weighted Average Relative Unit Labor Cost index (WARULC) for manufacturing and show that this measure does a much better job predicting trade imbalances and declines in manufacturing employment than the IMF’s Relative ULC measure created as an index-of-indices. The new series reveal that for many countries currently mired in liquidity traps, relative prices reached historic highs heading into the financial crisis of 2008. I document that in 2002 – during the surprisingly sudden collapse in US manufacturing – US relative prices had not been that high relative to trading partners since the worst year of the Great Depression.

Keywords: Real Exchange Rate Indices; Relative Unit Labor Cost Indices; Weighted Average Relative Prices; Balassa-Samuelson; Trading Partner Substitution Bias (search for similar items in EconPapers)
JEL-codes: C43 F10 F31 N70 (search for similar items in EconPapers)
Pages: 47 pages
Date: 2014-11
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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Related works:
Working Paper: Through the Looking Glass: A WARPed View of Real Exchange Rate History (2014)
Working Paper: Through the Looking Glass: A WARPed View of Real Exchange Rate History (2014)
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