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What can economists learn from linguists? Behavioral economist Keith Chen introduces a fascinating pattern from his research: that languages without a concept for the future -- "It rain tomorrow," instead of "It will rain tomorrow" -- correlate strongly with high savings rates. <a href="http://blog.ted.com/2013/02/19/saving-for-a-rainy-day-keith-chen-on-language-that-forecasts-weather-and-behavior/" target="_blank">Read more about Chen’s explorations »</a>