Key Takeaways
- Single dominant buyer controls market prices.
- Suppresses wages and employment below competitive levels.
- Minimum wages can increase employment in monopsony.
- Creates market inefficiency and deadweight loss.
What is Monopsony?
Monopsony is a market structure characterized by a single buyer exerting significant control over the purchase of goods, services, or labor, often leading to prices or wages set below competitive levels. This concept is especially relevant in the labor market, where employers have disproportionate bargaining power.
Such dominance allows the buyer to influence supply conditions, affecting market efficiency and distribution of economic benefits.
Key Characteristics
A monopsony features distinct traits that differentiate it from competitive markets:
- Single dominant buyer: One purchaser controls most or all demand, limiting seller options and pricing power.
- Upward-sloping supply curve: In labor markets, hiring more workers increases wages for all, raising marginal expenditure.
- Price or wage suppression: The buyer sets prices below competitive equilibrium, reducing seller income or worker wages.
- Market inefficiency: Output or employment levels fall below socially optimal amounts, creating deadweight loss.
- Barriers to entry: Geographic isolation or industry concentration often reinforce monopsony power.
How It Works
In a monopsony, the buyer faces a supply curve where each additional unit purchased raises the cost of all previous units, unlike in competitive markets where price is constant. This causes marginal expenditure to exceed the supply price, incentivizing the buyer to reduce quantity purchased.
For example, in the factors of production such as labor, employers pay wages below workers' marginal revenue product, employing fewer workers than in a competitive market. This imbalance leads to lower wages and suppressed employment, distorting efficient resource allocation.
Examples and Use Cases
Monopsony power appears in various real-world contexts, illustrating its effects on markets and employment:
- Labor markets: A single coal mine employer in a remote town can dictate wages due to lack of alternatives.
- Retail and agriculture: Large food retailers negotiate low prices from farmers, passing savings to consumers.
- Airlines: Delta and other major carriers often exert monopsony-like influence over airport services and suppliers.
- Stock market context: Investors may consider monopsony effects when evaluating companies in best large-cap stocks to understand labor cost dynamics.
Important Considerations
Understanding monopsony is critical for assessing labor market dynamics and policy implications. While monopsony can reduce wages and employment, interventions like minimum wages may correct inefficiencies without causing unemployment.
When analyzing companies or sectors, consider how monopsony power interacts with broader macroeconomics trends and firm strategies. This insight helps in making informed decisions about bank stocks or evaluating market concentration risks.
Final Words
Monopsony gives buyers significant control over prices, often leading to lower wages or payments and reduced market efficiency. To address this, consider evaluating the competitive landscape in your industry or region to identify potential monopsony power and explore policy or negotiation strategies that can improve market outcomes.
Frequently Asked Questions
Monopsony is a market structure where a single buyer or a dominant buyer controls the purchase of goods, services, or labor from many sellers, allowing it to influence prices or wages below competitive levels.
Monopsony typically arises due to limited competition among buyers, geographic isolation, industry concentration, inelastic supply, or labor market barriers like discrimination and low worker mobility.
In a monopsony, wages are pushed below workers’ marginal revenue product, and fewer workers are employed compared to a competitive market, leading to lower employment levels and suppressed wages.
Yes, a binding minimum wage can increase employment by flattening the marginal cost of labor, helping raise wages and employment closer to competitive market levels without causing unemployment.
Monopsony results in lower wages, reduced employment, decreased output, and deadweight loss, which harms market efficiency and overall economic welfare.
Monopsony power can worsen wage suppression for vulnerable groups due to discrimination, social norms, or demographic factors, further exacerbating inequality.
While most common in labor markets, monopsony can occur anywhere a single buyer dominates purchases, such as British Sugar in sugar beet buying or large food retailers controlling supply from farmers.
A monopsony refers to a single buyer dominating a market, while a monopoly is a single seller controlling market supply; sometimes firms have both powers, affecting prices and wages to their advantage.


