Hello: I need help with these questions:

Question 1:

The WSJ reported that there is expectations of higher oil prices in the market. The report implies that O a. Supply of oil will increase leading to decrease in equilibrium quantity. 0 b. Demand for oil will increase, supply of oil will decrease, equilibrium quantity will be ambiguous. O c. Demand for oil will increase leading to increase in equilibrium quantity. 0 d. Supply of oil will decrease leading to increase in equilibrium quantity. 44. The WSJ reported that there is expectations of higher oil prices in the market. The report implies that O a. demand for oil will increase, supply of oil will decrease, leading to increase in oil prices. 0 b. supply of oil will decrease leading to increase in oil prices. O {2. supply of oil will increase leading to decrease in oil prices. 0 d. demand for oil will increase leading to increase in oil prices. The substitution effect of an increase in wage is ) a. an ambiguous effect on the hours of work supplied by labor. ) b. a decrease in the hours of work supplied by labor. ) c. an increase in the hours of work supplied by labor. ) d. no change in the hours of work supplied by labor