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💸 Unit 1: Basic Economic Concepts
1.0Unit 1: Basic Economic Concepts
1.1Basic Economic Concepts: Scarcity
1.2Resource Allocation and Economic Systems
1.3Production Possibilities Curve (PPC)
📈 Unit 2: Supply and Demand
2.4Price Elasticity of Supply
2.6Market Equilibrium and Consumer and Producer Surplus
2.7Market Disequilibrium and Changes in Equilibrium
2.8The Effects of Government Intervention in Markets
⚙️ Unit 3: Production, Cost, and the Perfect Competition Model
3.6Firms' Short-Run Decisions to Produce and Long-Run Decisions to Enter or Exit a Market
📊 Unit 4: Imperfect Competition
4.1Introduction to Imperfectly Competitive Markets
💰 Unit 5: Factor Markets
5.2Changes in Factor Demand and Factor Supply
5.3Profit-Maximizing Behavior in Perfectly Competitive Factor Markets
🏛 Unit 6: Market Failure and Role of Government
6.1Socially Efficient and Inefficient Market Outcomes
6.3Public and Private Goods
6.4The Effects of Government Intervention in Different Market Structures
⏱️ 3 min read
November 15, 2020
Monopolistic competition is an imperfect market structure where many, various sized firms compete for market demand shares. This type of market structure has some characteristics that are the same or similar to perfect competition, as well as some characteristics that are the same or similar to monopolies. Some examples of monopolistic competition include restaurants, clothing companies, jewelers, hair salons, and furniture stores.
As stated earlier, the market structure of monopolistic competition has characteristics that are like perfect competition, but also like monopolies. The chart below details which characteristics are similar to the other market structures.
Monopolistic competition uses brand names and packaging as a type of non-price competition. The firms use this in order to stand out and be easily recognizable and distinguishable from their competitors. Think about Chick-fil-A; they are known for their customer service, making them different from other fast-food restaurants.
Another example is Nike's signature swoosh logo, which can be recognized all around the world. Nike also uses product attributes and services as non-price competition. This helps them distinguish how their products are different from the others in the market. They may show how their shoes' soles provide consumers with more speed than other brands, thus enticing consumers to purchase their product.
The final method used for non-price competition is advertising. Monopolistically competitive firms use advertising to generate demand for their product and to make consumer demand more elastic, meaning consumers will become more willing to switch from one product to another.
Monopolistic competitors can earn positive, negative, or zero economic profit in the short run, and they will break even in the long run (i.e. earn a normal profit) because of low barriers to entry/exit. The graph for a monopolistically competitive firm is very similar to a monopoly, and many people think they look almost identical. The main difference in the elasticity of the demand curve. The demand curve is more elastic in monopolistic competition than it is in a monopoly mainly because there are many more firms in monopolistic competition.
You can see in the graph below that both the demand (D) and marginal revenue (MR) curves are more elastic. We still identify profit-maximizing output and price the same way in monopolistic competition as we do in a monopoly. We identify output where MR=MC, and then go up to the demand curve and over to find the price.
Monopolistic Competition Earning a Profit
When a monopolistically competitive firm is earning a profit, the average total cost (ATC) will be located below the price on the graph. The section between the price and ATC make up the profit area.
Monopolistic Competition Earning a Loss
When a monopolistically competitive firm is earning a loss, the average total cost curve will be located above the price on the graph. The section between the price and ATC is labeled as the amount of the loss.
Monopolistic Competition in the Long-Run
When a monopolistically competitive firm is in the long-run, the economies of scale portion of the ATC curve will be tangent to the demand curve at the profit-maximizing price level. When drawing this graph, it is very important to make sure it is tangent in the economies of scale (downward-sloping) region because we do not want to indicate that the firm is productively efficient by having it tangent at minimum ATC.
Going from Short Run to Long Run
When monopolistic firms earn a profit in the short run, it compels firms to enter which provides more close substitutes and less market share for the existing firms. This leads to the demand and MR curves shifting left together so that the demand curve becomes tangent with ATC.
When monopolistic firms earn a loss in the short run, it compels firms to exit which provides less close substitutes and more market share for the existing firms. This leads to the demand and MR curves shifting right together so that the demand curve becomes tangent with ATC.
Excess capacity is the difference between a firm's current inefficient level of production and the productively efficient level of output.
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