Question

What industries do you regard as being highly competitive? can you identify any barriers to entry in those industries?

Answer 1

Five Industries as being highly competitive and their barriers to entry.Farming and farm supplies —  the barriers are the cost of land and machinery or in the case  of chemical applications, licensing. 
Consumer electronics – the barriers are brand loyalty or control of essential factors of  production.  Dry cleaners – Barriers are the availability of suitable locations (near residential areas  and properly zoned) and the availability of equipment, in addition to high start-up costs.  
Internet Service Providers – the barriers of the internet service providers are the knowledge of running a server,  cost of a dedicated trunk line for access to the telephone network and the cost of purchasing a computer server.
Taxi service – the barriers include the need for taxi medallions, which must be acquired through an expensive legal proceeding or purchased from existing companies.