F) Market equilibrium (P* and Q*) only changes when the government imposes an intervention such as a price floor. G) An increase in the costs of inputs would shift the demand curve. H) A change in the market equilibrium to a higher price but the same quantity is only possible when supply shifts left, and demand shifts right. I) A higher price of gasoline is only possible when there is a shift in the demand for gasoline. J) A price floor below equilibrium does not have any effect on a market