Respuesta :
The source of barriers to the scenarios described will be:
Government imposed:
- There are a limited number of licenses for taxi drivers in NYC.
- Drug companies obtain patents so that they can recover research and development costs by the exclusive sale of the drug for some number of years.
- The government established a tariff on tea.
Ownership of a key input:
- Carribbean Cruz owns the only swimmable beach on an exclusive island in the Bahamas.
- The government establishes a quota on how much foreign oil can be imported.
Economies of scale:
- It is very expensive to build an amusement park, but not that expensive to admit an additional customer.
- Building a brewery is a high start-up cost operation.
It should be noted that government-imposed barriers are the barriers that can be in form of patents, licensing, tariffs, etc.
The ownership of key input is when the production of a good requires particular input, therefore, controlling the input can be a barrier to entry.
Economies of scale is when the long run average variable cost of a firm falls as there is an increase in output.
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