If the demand for corn increases significantly due to a rise in ethanol production, what is the most likely initial effect on the corn market, assuming all other factors remain constant?

When the demand for corn increases because of more ethanol production, the price of corn is likely to go up. This happens because more people want to buy corn, but the amount available does not change right away. For example, if a new factory starts using a lot of corn to make ethanol, farmers can't instantly grow more corn to meet this demand. As the price rises, farmers may be encouraged to plant more corn in the next growing season, but that takes time. Therefore, the initial effect is a higher price for corn in the market.