A decreasing-cost industry is one in which: a. contraction of the industry will decrease unit costs. b. input prices fall or technology improves as the industry expands. c. the long-run supply curve is perfectly elastic. d. the long-run supply curve is upsloping.

B

Explanation:

When we talk of a decreasing cost industry, we refer to an industry in which the expansion of the industry will lead to a decrease in the unit production cost.

So with respect to the question at hand , the correct answer is that the input prices will fall as industry expands

The case of a a technological improvement is expected to drive a decrease in the input prices for production in the expanding industry

i think the answer to your question is b. directive

answerplace value;