The first structure that was discussed was the Perfect competition. Here the Perfect competition is characterized by many buyers and sellers, many products that are similar in nature and, as a result, many substitutes. “Perfect competition means there are few, if any, barriers to entry for new companies, and prices are determined by supply and demand. Therefore, producers in a perfectly competitive market are subject to the prices determined by the market and do not have any influence” (Investopedia, 2006). For example, in a perfectly competitive market, should a single firm decide to increase its selling price of a good, the consumers can just turn to the nearest competitor for a better price, causing any firm that increases its prices to lose market share and profits.
Another market structure is called a monopoly. It is a market structure in which there is only one producer/seller for a product. In other words, the single