Treasury’s FX Report – Currency Manipulation versus Currency Misalignment

The Treasury’s semi-annual report designated Switzerland and Vietnam as currency manipulators. Without taking a definitive stand on currency manipulation, I do want to highlight where Vietnam (and Switzerland) stand if evaluated by the Big Mac Parity/Penn Effect:

Figure 1: Log Big Mac dollar price in July 2020 plotted against log 2020 per capita income in 2017 I$. Penn Effect line estimated using regression (red) and 60% prediction interval (gray). Source: Economist, IMF World Economic Outlook October 2020 database, author’s calculations.

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