Seasonal variations can be incorporated into a time-series model in a number of different ways, including:
a. ratio-to-trend method
b. use of dummy variables
c. root mean squared error method
d. a and b only
e. a, b, and c
d
Economics
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The level of an economic activity should be increased to the point where
a. Marginal benefits equal to zero b. Marginal costs of the investment are less than marginal benefits of the investment c. Marginal benefits are greater than marginal costs d. Marginal costs are equal to marginal benefits
Economics
Entrepreneurship is
a. restricted to perfect competition. b. occurs only in well-functioning markets. c. the process of planting new crops. d. the process of taking business risks.
Economics