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How to make money in economics

A guide to the basics of economics.The aim is to help students understand why certain topics matter in the world economy, and how to do so effectively.Al Jazeera’s Farida Khan explains what it is and what students need to know.

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How to use the PPP index

The PPP Index is an index of US business investment.It shows how much firms invest in research and development, production and distribution, and marketing.It measures the performance of US firms over a 20-year period.The PPC indexes American business spending and consumer spending, and is also used to gauge US employment.The PPP has had mixed results