The United States government recently passed legislation and stabilization packages to respond to the COVID-19 (i.e., coronavirus disease 2019) outbreak by providing paid sick leave, tax credits, and free virus testing; expanding food assistance and unemployment benefits; and increasing Medicaid...

The paper shows that a comparison of the appropriately-weighted sum of households' marginal willingness to pay for a public good with the net effect of the increased supply of the public good on shadow, as distinct from actual, government revenue is a generally valid rule for public good...