Which of the following shifts long-run aggregate supply left?
a. a decrease in either natural resources or the human capital stock.
b. a decrease in the human capital stock, but not natural resources.
c. a decrease in natural resources, but not the human capital stock.
d. neither a decrease in natural resources nor the human capital stock.
a
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Suppose a bank has $10,000 in deposits and $1,000 in reserves. The required reserve ratio is 5%. Which of the following occurs if the required reserve ratio is increased to 10%?
A) The bank's required reserves will decrease to $500. B) The bank's excess reserves will increase to $1,000. C) The bank's required reserves will increase to $1,000. D) The bank's ability to create loans increases by 5%.
Firms use two marketing tools to differentiate their products. What are these two tools?
A) market research and demand estimation B) brand management and advertising C) lobbying and word of mouth D) consumer surveys and market experiments