Of Big Macs, PPP, the Penn Effect, and Currency Misalignment

From Anneken Tappe in CNNBusiness:

The Economist’s Big Mac Index — a lighthearted way to make the value of currencies more tangible — showed that nearly all currencies in the index are undervalued against the dollar.

The Big Mac Index, released Wednesday, is rooted in the theory of purchasing power parity: Exchange rates reflect the value of goods a currency can buy. If currency X can buy an item at a lower price than currency Y, then currency X may be comparatively undervalued and currency Y could be overvalued.

 
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To Worry or Not To Worry: Adjusted and Unadjusted Spreads

Torsten Sløk at Deutsche Bank had an interesting commentary [not online] this morning, noting the disjuncture between the different estimates of estimated term premia from affine (no arbitrage) models of the term structure emanating from the NY and SF Feds. I adjust the term spread by the term premium from SF and show the implied probability of recession, alongside that from the conventional 10yr-3mo.

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Guest Contribution: “A Blockchain solution for the technology war between China and the US “

Today we are pleased to present a guest contribution by Alessandro Rebucci, of the Johns Hopkins Carey Business School. This post is based on “Blockchain Technology and Government Applications: A Proposal for a Global Patent Office” (with E. Di Nicola Carena and P. La Mura), in A. Fatás (editor), The Economics of Fintech and Digital Currencies, CEPR ebook, Fintech and Digital Currencies Policy and Research Network, CEPR March 2019.

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Using Survey Expectations in FX Analyses

At the NBER IFM Summer Institute session on exchange rates yesterday, the debate over the use of survey data rekindled. In Exchange Rate and Interest Rate Disconnect, Şebnem Kalemli-Özcan and Liliana Varela used survey data on exchange rate depreciation. The discussant Adrian Verdelhan (MIT) and audience members questioned whether such data actually measured what we thought they measured market expectations.

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