Answer:
a) Head sets - perfect competition
b) Smart phones - monopolistic competition
c) Cellular telephone service - oligopoly
d) Cell phone applications - monopolistic competition
Step-by-step explanation:
The following definitions explain the categorisation of competition:
- Perfect competition is when many firms sell similar products, no firm or buyer has control of market price. The barriers to entry are low. This is characterised by headsets
- The market for smart phones is monopolistic competition because advertisement is used to create product differentiation with the aim of gaining better market control
- Oligopoly is characterised by few firms controlling the market and keeping each other from dominating the market. This is they type of competition for cellular telephone service.
- Monopolistic competition is one where many firms produce dirlfferentiated products that are not substitutes. This is shown in market for cell phone applications