Question

what is barrier production​

Answer 1

A barrier to entry is something that blocks or impedes the ability of a company (competitor) to enter an industry. In general, one can look at barriers to entry as those “costs of producing” that must be borne by a firm entering an industry, but for one reason or another, is not borne by firms already in the industry.

Answer 2

A barrier to entry is something that blocks or impedes the ability of a company (competitor) to enter an industry. ... In general, one can look at barriers to entry as those “costs of producing” that must be borne by a firm entering an industry, but for one reason or another, is not borne by firms already in the industry.