No, not that kind of monopoly. I am talking about the ones we see and participate in every day! Monopolies carry a bad rep with their name, but what are they really and why do they exist in the first place?
Well, lets start off with the basics: a monopoly is any firm that is a sole seller of a good or service without any close substitutes. A monopoly may remain a monopoly if there are barriers of entry to the market. There are three MAIN types of barriers of entry, and they are:
A key resource that is owned by a single firm: the resource that is in demand is controlled by a single firm, hence, monopoly. This form of monopoly is fairly rare, but does indeed exist. An example of this would be DeBeers diamond company.
Government enabled monopoly: a firm is given exclusive rights via a patent to goods, allowing a monopoly. It happens regularly, but there are arguments FOR this type of monopoly, as it gives incentives to regularly invent new products to patent. Examples of this would be practically any drug that requires a prescription.
Natural Monopolies: Any case where the fixed cost for producers in the market is substantially more than its variable cost, making entry to the market very difficult. Examples of this would be many types of utility providing firms; such as water, electricity, cable providing services, etc.
There is also a another type of market that is called "monopolistic competition". Though, it is not an actual monopoly as there are many firms in that type of market, just with differentiated products. Such markets are very common, with examples ranging from toothpaste brands to toilet paper brands.
Now monopolies tend to have a few things in common, such as having access to long-run profit and causing dead-weight loss in the market. They create a decrease in total surplus in the market they are in as they do NOT produce goods at the the allocatively efficient point in the market, but rather they produce at the point where their marginal revenue and marginal cost curves meet to maximize profit. In short, restrict supply to raise price and earn a profit. This is usually bad, but, in all honesty, are monopolies actually helpful? Patents (government enabled monopolies) incentivises firms to be more inventive and produce original and useful goods by providing them with profit. Natural monopolies exist because they by definition can not exist at the allocatively efficient point. What are your guys' two cents on this? Monopolies yay or nay?






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