As economic uncertainty spreads across global markets, Muhammad Yunus, who won a Nobel Peace Prize for his work in microfinance, wonders whether schools need to re-think the way economics is taught in the classroom. "One of the things we have to do is to create a social stock market. ... So people can go to both stock markets. 'Here I invest money to make more money, here I invest money to solve the problems and make a difference in the lives of the people.'"
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