In the long run,when economic profit is zero,firms leave the industry,which will increase the market supply and increase the price until economic profits are positive.

Economic Profit

The disparity measure in between overall returns and full expenses, including both exposed and indirect costs.

Market Supply

The total amount of a product that sellers are willing and able to sell across all relevant price levels within a given market.

Long Run

A period in which all factors of production and costs are variable, allowing firms to adjust fully to market changes.