A monopoly is when there is only ONE major producer of a product
The problems of monopolies are:
-over reliance
-they are able to change prices at their will
Monopoly occurs when they invented their product/good (ex. Google), they bought their competitions (ex. Grab) and when it's very expensive to enter the industry.
Solutions to monopolies are government setting a ceiling price, and nationalization of the industry.
Oligopoly is when there are FEW producers of a good or service.
Problems of an oligopoly is the fact that oligopolies can collude (decide together) on prices.
Solutions to oligopoly are: nationalization the industry, and anti-trust laws which make collusion illegal.
Negative externalities is when the actions of an individual or business result in cost for others.
The problem with negative externalities is when there are spillover effects, most likely, the people out of the business transaction are the ones who have to compensate.
Pollution is one example of a negative externality.
Solutions to negative externalities are: making goods/services with negative externalities illegal, and placing a tax on these products. (Ex. Sin tax)
Sin tax is a tax in which when people decide to purchase a cigarette, they pay a tax which is donated to health services that deal with second hand smoking.
Positive externalities when the actions of an individual result in FREE BENIFITS for others.
The problem with positive externalities is when the benefits are free, who pays for these services?
The solutions for positive externalities are: Government gives businesses an incentive to provide the services and government provides these services through public services (ex. Trains & roads).