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Geo-Graphics

A graphical take on geoeconomics.

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Trump’s Trade War Puts “Belt and Road First”

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August 6, 2019

United States
“Mini Mac” Shows China’s Currency Shifting Into Undervaluation

The “law of one price” holds that identical goods should trade for the same price in an efficient market. But how well does it actually hold internationally? The Economist magazine’s Big Mac Index uses the price of McDonald’s Big Macs around the world, expressed in a common currency (U.S. dollars), to measure the extent to which various currencies are over- or under-valued. The Big Mac is a global product, identical across borders, which makes it an interesting one for this purpose.

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