1) Which of the following is an example of a change in the quantity demanded? (Hint. For which items is there a direct change in price that leads to a change in quantity demanded)
An increase in salary leads to increased spending on clothing.
A sale on shoes leads to higher purchases of shoes.
A rise in the price of peanut butter leads to higher demand for cheese sandwiches
An outbreak of e-coli in chicken leads to higher demand for beef.
2) Markets are more efficient when information is perfect; an example is:
Insider information on the release of a new block-buster drug
CARFAX reports that reveal the accident and repair history of a used car.
A fortune-tellers prediction of future interest rate movements
A readily available archive of historical weather reports