If a firm increases its output level in the short run, then
a. variable cost rises but fixed cost remains unchanged
b. both variable cost and fixed cost rise
c. variable cost rises, but fixed cost fall
d. both variable cost and fixed cost fall
e. variable cost remains unchanged, but fixed cost rises
A
Economics
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An increase in the real interest rate
A) increases savings for both borrowers and lenders. B) increases savings for borrowers, but has an uncertain effect on the savings of lenders. C) increases savings for lenders, but has an uncertain effect on the savings of borrowers. D) has an uncertain effect on the savings of both borrowers and lenders.
Economics