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Steven Levitt:
Steven Levitt fala sobre cadeiras de criança para carros

TEDGlobal 2005 · 18:58 · Filmed Jul 2005
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Steven Levitt compartilha dados que mostram que cadeiras de segurança não são mais eficazes que cintos de segurança na proteção de crianças em acidentes automotivos fatais. No final da palestra, no entanto, ele faz um alerta crucial.

Economist
Steven Levitt's eye-opening Freakonomics took economic theory into the real world of suburban parenting and urban drug gangs, turning conventional wisdom upside-down. Full bio
This talk was presented at an official TED conference, and was featured by our editors on the home page.

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