Perfect Information: In a contestable market, both existing and potential entrants have access to perfect information about market conditions, including prices, costs, and demand. This transparency ensures that firms can make informed decisions about entering, exiting, or adjusting their production levels.
No Sunk Costs: Sunk costs are costs that cannot be recovered once incurred. In contestable markets, firms are assumed not to have significant sunk costs. This means they can exit the market without suffering substantial financial losses, which makes the market more contestable.