When only the demand for housing increases, the equilibrium price and quantity in the market will increase decrease remain unchanged . Relative to the original price and quantity, what is the overall effect of both shifts on price and quantity? Is it possible, using the information provided, to predict the sign of the change in the equilibrium price or the equilibrium quantity? When both curves shift, the equilibrium price of housing will be indeterminate increase decrease and the equilibrium quantity of housing will decrease be indeterminate increase