Which of the following would cause a decrease (leftward shift) in the short-run aggregate supply curve (SRAS)?
a. An increase in oil prices.
b. An advance in technology

Information is a scarce good because

A) buyers typically know more than sellers about the products they are selling. B) competition encourages buyers and sellers to conceal a portion of what they know. C) its possession enables people to increase their wealth, and it cannot be acquired without cost. D) sellers typically know more than buyers about the products they are selling.

A rightward shift in labor demand decreases the number of workers hired

a. True b. False Indicate whether the statement is true or false