In the United States states like New Jersey and Connecticut (a free beer) and West Virginia (a savings bond) are offering rewards to citizens who get their Covid vaccines other places around the world citizens are subject to restrictions on work and travel if they do not have proof of vaccine who's program do you think it will be more effective in increasing vaccination rates the US or Europe? What kinds of factors going to individuals decision to get the vaccine?Please explain using economic terms describe a situation where it is economically rational to get the Covid vaccine vaccine