fast food restaurant advertising on television and its influence childhood obesity shin yi chou lehigh university national bureau of economic research inas rashad georgia state michael grossman city new york graduate center december 2006 for this paper was supported by grant number 1r01 dk54826 from the institute diabetes digestive kidney diseases to we are indebted sam peltzman a referee very helpful comments previous draft preliminary versions were presented at fifth world congress international health economics association 2004 eastern conference southern 2005 chinese economists society convention public policy analysis management clayton college child symposium policies well being sponsored andrew young school studies seminars chicago washington in st louis indiana purdue indianapolis mexico mcgill pittsburgh delaware taiwan