Together, these 111 experiments—10 in Allcott (2011) and 101 in Allcott (2015)—involved about 8.5 million households from all over the United States.
Zesumme, dës 111 Experimenter-10 zu Allcott (2011) a 101 zu Allcott (2015) -involved ronn 8,5 Millioune Stéit aus all iwwer d'USA.