It is virtually impossible to save or lend nowadays without __________ being involved

A product is considered to be rival if

A) your consumption of the product reduces the quantity available for others to consume. B) you can keep those who did not pay for the item from enjoying its benefits. C) you cannot keep those who did not pay for the item from enjoying its benefits. D) it is jointly owned by all members of a community.

A decrease in consumption caused by a factor other than a change in the price level

A) shifts the AD curve to the right. B) shifts the AD curve to the left. C) causes an upward movement along the existing AD curve. D) causes a downward movement along the existing AD curve. E) none of the above.