The following propositions garnered support from at least 90% of economists: import tariffs and quotas reduce general economic welfare; rent controls reduce the supply of housing; floating exchange rates provide an effective international monetary system; the US should not restrict employers from outsourcing work to foreign countries; and fiscal policy stimulates the economy when there is less than full employment.
En 2009, Greg Mankiw, economista de Harvard, elaboró una lista con diversas tesis apoyadas por al menos un 90% de los economistas, entre ellas: imponer aranceles y cuotas a las importaciones reduce el bienestar económico general; el control de alquileres reduce la oferta de vivienda; la flotación cambiaria permite un sistema monetario internacional eficaz;