Answer:
True.
Explanation:
It is true that large firms with significant slack resources but who remain flexible and act like small firms will be more successful against rivals.
Larger firm with significant high resources need to manage these resources with additional responsibility and there is a high risk of these resources to be remain unutilized or inappropriatly used, which may affect the company´s growth and does not remain flexible in taking risk, however, they can take greater number of competitive actions.
Small firm with lesser resources and less liability help them to be flexible and can take higher risk to be competitve in the market. They learn to optimum utilize the resources and plan new strategy that help them to be more successful against rivals. They are called "Dark horses" in the market.