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risktaking that e with happiness would__5__the way panies invested. So they pared . cities average happiness__6__by Gallup polling with the investment activity of publicly traded firms in those areas. __7__enough, firms investment and RD intensity were correlated with the happiness of the area in which they is it really happiness thats linked to investment, or could something else about happier cities__9__why firms there spend more on RD? To find out, the researchers controlled for various__10__that might make firms more likely to invest like size, industry, and sales and for indicators that a place was__11__to live in, like growth in wages or population. The link between happiness and investment generally__12__even after accounting for these things. The correlation between happiness and investment was particularly strong for younger firms, which the authors__13__to less codified decision making process and the possible presence of younger and less__14__managers who are more likely to be influenced by sentiment. The relationship was__15__stronger in places where happiness was spread seem to invest more in places where most people are relatively happy, rather than in places with happiness inequality. __17__ this doesnt prove that happiness causes firms to invest more or to take a longerterm view, the authors believe it at least__18__at that pos