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The Chart Room

The Big Mac Index

Created by The Economist in 1986, the Big Mac Index is a whimsical look at exchange rates as based on the purchasing-power parity (PPP) theory.  The latest assessment of this index was just released.

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Is China Really About to Overtake the U.S.?

Explore this recent article from CNN World and learn about the importance of PPP (purchasing power parity) and how that serves as a good measure of economic strength and power.
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