If you're trying to solve the Newsday crossword and you got stuck on the clue ''The Economist'' basis of world purchasing-power comparison then you're in the right place! We've been working hard on this Newsday crossword puzzle, and after gathering all of the other hints and relevant information concerning the clue ''The Economist'' basis of world purchasing-power comparison we've finally found the answer. The answer we found for the clue ''The Economist'' basis of world purchasing-power comparison is: