De Donder, Philippe; Llavador, Humberto G.; Penczynski, … - 2022
each child’s vaccination generates for others, the Nash equilibrium suffers from a free-rider problem. However, in more … equilibrium is efficient. We test, on a sample of six countries, whether childhood vaccination behavior conforms better to the …-rider problem inherent in the Nash equilibrium, a social norm has evolved, quite generally, inducing parents to vaccinate with …