When the price of hamburger went from $3 to $4 a pound, the quantity demanded of buns changed from 30 to 25 packages a day. The cross-price elasticity of demand for buns (using the initial value formula) is:

Which of the following best represents household saving?

A) T - (G + TR) B) (Y - TR) + I C) (Y - C - G - NX) D) (Y + TR - T) + C

A hidden cost fallacy can be avoided

a. by ignoring the opportunity costs to using a capital b. by ignoring the cost of capital c. by taking all capital costs into account including the cost of equity d. none of the above