A resource’s marginal product is
a. the revenue produced by one additional unit of that resource, other things constant
b. the total output produced by one unit of that resource, other things constant
c. the additional output produced by one additional unit of that resource, other things
constant
d. the total output divided by the number of units of that resource employed
e. the total output times the number of units of that resource employed
The basic purpose of economic models is to
a. construct simplifying assumptions about the real world
b. explain reality in all its complexity
c. collect empirical data to support the facts
d. construct situations where controlled experiments can be carried out
e. provide explanations for, and predictions of, economic events