Other things being equal, explain the effect each of the following situations will have on either the demand or supply of corn. Explain also what the effect will be on equilibrium price and quantity. a. corn is now considered by doctors to be the most healthy vegetable b. there is a decline in the amount of land used to grow corn c. producers expect the price of corn to fall in the future d. the price of peas, a substitute for corn, goes up e. the price of fertilizer rises.