__________ is a said to exist when the formation of a regional trading group leads to the reduction of trade with nonmember countries infavor of member countries.
If the rate of growth of a full employment labor forc eis 1.55 and 2.55 then the celling rate of growth of real GNP, according to Hick's theory of a constrained business cycle,is.
A determinant compose of all the second order partial derivatives, with the second order direct partials on the principal diagonal and the second order cross partials off the principal diagonal and which is used to second order condition of optimization is called.