A) Given the social and regulatory pressures to keep prices down for drugs and vaccines to treat Covid-19, the financial incentives for pharmaceutical companies to invest in such products are below the value of the investment to society.
B) Government commitments to pay developers and manufacturers above average costs for an effective vaccine or drug treatments for Covid-19 would accelerate production.
C) Given the positive externalities from vaccination, an effective Covid-19 vaccine should be mandatory for every US resident (except those with health exceptions, such as infants and people with compromised immunity) with the cost covered by the federal government.