barrier to exit
noun [ C ]
ukusplural barriers to exit (also exit barrier) COMMERCE, ECONOMICS
something, such as official rules or high costs, that makes it difficult for a person or company to leave a particular type of business:
Capital markets are perfect in that there are no barriers to exit or entry and information is freely available to all.
COMMERCE
something that makes it difficult for a customer to stop using a particular product or service, or for someone to leave their job:
Most free internet service providers provide few or no barriers to exit for subscribers.