what is the purchasing power parity hypothesis?

Hi! Thanks for the question.

The Economics section of About.com has a good and simple explanation
about Purchasing Power Parity.

?A Beginner's Guide to Purchasing Power Parity Theory (PPP Theory)?
http://economics.about.com/cs/money/a/purchasingpower.htm 

Here are other articles that can help you understand Purchasing Power Parity.

?How can we explain deviations from the Purchasing Power Parity??
http://www.nek.lu.se/makrouppsats/lms20037.pdf 

?Purchasing power parity?
http://www.campusprogram.com/reference/en/wikipedia/p/pu/purchasing_power_parity.html


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