Market Structures: Different types of market forms based on the number of sellers, product differentiation, barriers to entry, pricing power, and non-price competition.
Number of Sellers: Many
Product Differentiation: Homogeneous/Standardized products
Barriers to Entry: Very Low
Pricing Power: None
Non-Price Competition: None
In a perfectly competitive market, numerous sellers offer identical products, and no single seller can influence market prices.
Number of Sellers: Many
Product Differentiation: Differentiated products
Barriers to Entry: Low
Pricing Power: Some
Non-Price Competition: Advertising and Product Differentiation
This market features many sellers competing with slightly different products, allowing some control over pricing due to product differentiation.
Number of Sellers: Few
Product Differentiation: Homogeneous/Standardized
Barriers to Entry: High
Pricing Power: Some or considerable
Non-Price Competition: Advertising, product differentiation
An oligopolistic market consists of a small number of firms, leading to significant price control, and firms may use advertising to differentiate their products further.
Number of Sellers: One
Product Differentiation: Unique Product
Barriers to Entry: Very High
Pricing Power: Considerable
Non-Price Competition: Advertising
In a monopoly, a single firm dominates the market, offering a unique product with high barriers to entry, allowing for considerable pricing power.
Desirable Market Structure: From the perspective of firm owners, a monopoly is often considered the most desirable market structure due to the potential for maximized profits stemming from their significant market power and control over pricing.
Phases of the Economy
Expansion
Economy is experiencing an upswing.
Activity levels are above potential output.
Positive output gap starts to narrow.
Consumers are entering the market and spending.
Businesses are more confident, leading to increased hiring but at a slower pace.
Peak
Economy reaches its maximum output level.
Activity levels surpass the average growth rates.
Businesses start showing signs of deceleration in growth.
Inflation may begin to pick up modestly due to increased demand.
Slowdown (Contraction)
Economy weakens; potential to enter a recession.
Negative output gap opens, indicating that the economy is underperforming.
Activity measures show below-average growth rates, indicating declining consumer confidence and spending.
Businesses begin to cut hours, eliminate overtime, and freeze hiring leading to layoffs.
Unemployment rate starts to rise.
Trough
The lowest point of the economic cycle where the economy transitions from contraction to recovery.
Negative output gap is at its widest, showing the lowest employment and spending levels.
Unemployment remains higher than average.
Recovery
Economy begins to grow again, moving towards expansion.
Unemployment rate stabilizes and starts to fall gradually.
Inflation remains moderate, with growth picking up modestly.
Businesses rely on overtime before making new hires.
During Expansion
Businesses continue hiring at an increasing rate, leading to lower unemployment.
During Slowdown
Businesses cut down on hiring, leading to layoffs and a rise in the unemployment rate.
Initial response to slowdowns includes cutting hours and reducing overtime.
During Recovery
Employment begins to rise as businesses gain confidence.
Unemployment rates continue to fall, but initially at decreasing rates.
During Expansion
Inflation remains moderate as demand begins to outpace supply.
During Peak
Inflation starts to pick up due to excess demand.
During Trough
Inflation tends to decelerate but may lag due to slow economic activity.
During Recovery
Inflation could rise again as the economy regains its footing and demand increases.
Leads: Actions taken by businesses ahead of economic changes to maximize opportunities (e.g., expanding production during expected growth).
Lags: Responses by businesses and consumers that occur after economic shifts have begun (e.g., delaying hiring until after clear indicators of growth).