Inspired by articles by The Economist and Paul Romer and Brandon Fuller, we at Citymart.com have for the first time visualized the city-to-city trade of solutions through 82 challenges run through our programs. Destination cities are those seeking solutions through challenges, whilst origin cities are the home of the companies or organizations providing the winning solution. Solutions by companies originating in Paris fared the best, followed by successes of solutions originating in Barcelona, Stockholm, San Francisco and New York City. If rated by countries, the US leads the table as a provider of winning solutions, followed by Spain, the UK and France.
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