Exhibit 4-3 Supply and demand curves
In Exhibit 4-3, an increase in demand would cause a movement from which equilibrium point to another, other things being equal?

One of the least squares assumptions in the multiple regression model is that you have random variables which are "i.i.d." This stands for

A) initially indeterminate differences. B) irregularly integrated dichotomies. C) identically initiated deltas (as in changes). D) independently and identically distributed.

The demand for a productive resource is said to be "derived" because the demand for the factor:

A.  Depends on the demand for the product it helps to produce B.  Depends on the demand for a complementary factor C.  Is derived from the state of the economy D.  Is derived from government policy