A leftward shift of a product supply curve might be caused by:
A. an improvement in the relevant technique of production.
B. a decline in the prices of needed inputs.
C. an increase in consumer incomes.
D. some firms leaving an industry.
Answer: D
A leftward shift of a product supply curve might be caused by:
A. an improvement in the relevant technique of production.
B. a decline in the prices of needed inputs.
C. an increase in consumer incomes.
D. some firms leaving an industry.
Answer: D