Consider the market for household appliances such as fridges, washing machines and vacuum cleaners etc. What would be the effect on the demand curve, supply curve, equilibrium price and equilibrium quantity if the following occurred:
a) an increase in the number of two-income households
b) more efficient production techniques employed in the appliance industry
c) increase in the price of steel and aluminium
d) an increase in the level of unemployment
e) an increase in the level of interest rates