Category Archives: exchange rates

A Big MacParity Guide to Undervalued Currencies

China is not high on the list for “day one sanctions” if one were to look at this fast-food data.

figure5a

Figure 1: Log relative dollar price of Big Mac against dollar price of US Big Mac (July 2016) versus log relative per capita income in PPP terms (2016 estimates); regression fit from quadratic specification (black dots), and 90% prediction interval (gray dots). Source: Economist, World Bank World Development Indicators, and author’s calculations. Data [XLSX]

Using the methodology outlined in this post, it’s clear that by the price criterion, Russia’s currency is much more undervalued (at 50% in log terms) than China’s.

Manufacturing Employment and Three Episodes of Dollar Appreciation

Mark Thoma comments on the impact of the likely dollar appreciation:

A stronger dollar will make imports cheaper for American consumers…The U.S. economy is now strengthening and approaching full employment, but it’s not quite there yet. So I expect the stronger dollar to have some employment effects, but I don’t expect them to be substantial…

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Day One Approaches! Currency Manipulation, China and the Big Mac Index

Among the many promises made by President Elect Trump, one was to declare China a currency manipulator on his first day in office. Besides the logistical difficulties of doing so without a Treasury Secretary in place, there are the minor difficulties of what the data indicate (I know, I know, facts seem of little import these days, but what the heck). In addition to the legally defined concerns Brad Setser has raised, I think it is useful to assess China’s currency using a commonly used measure of currency misalignment.

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