Opportunity costs:
a. only include explicit costs paid out-of-pocket.
b. never involve costs paid out-of-pocket.
c. may or may not involve costs paid out-of-pocket.
d. are always measured in terms of time.
Question 2
If Jim pays 1000 to John:
a. GDP will increase by 1000.
b. GDP will increase, but we cannot determine by what amount.
c. nominal GDP will increase, but we cannot be sure if real GDP will increase or decrease.
d. we need more information in order to determine whether or how much GDP will change.
Energy costs of locomotion.
Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and
Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o
Diabetes mellitus. The metabolic disease diabetes mellitus, with symptoms of polydipsia, polyuria, a
Should We Prolong Life at all Costs?
The tools necessary to adjust the valves on an engine with adjustable rocker arms include basic hand ...