Suppose that in a period of sluggish growth, there is a debate on whether to stimulate the economy by means of a tax cut or an increase in government spending. In the short run, a tax cut, as contrasted with an increase in government spending, is
a) equally powerful on a per dollar basis, favoring private over public spending
b) not quite as powerful on a per dollar basis, favoring private over public spending
c) equally powerful on a per dollar basis, and neutral between private and public spending
d) not quite as powerful on a per dollar basis, and neutral between private and public spending