Final answer:
The usual barriers to entry into a market include licenses, patents, and high start-up costs.
Step-by-step explanation:
Barriers to entry into a market can come in various forms. Some of the usual barriers to entry include:
Licenses: Certain industries require licenses or permits to operate, which can be difficult and costly to obtain. Patents: Exclusive rights granted to inventors protect their inventions from being copied or used by others. High start-up costs: Some industries require significant financial investments to set up operations, making it challenging for new entrants. Barriers to entry typically include factors that make it difficult for new companies to enter a market. In this case, licenses, patents, and high start-up costs are examples of such barriers.