Definition
Monopsony
A monopsony is a market with a single dominant buyer, giving that buyer power to push prices and wages below competitive levels, the mirror image of a monopoly.
A monopsony flips the familiar idea of monopoly on its head. Instead of one seller dictating prices to many buyers, a single dominant buyer sets the terms for many sellers. When you are the only meaningful customer for someone's goods or labour, you can pay less than a competitive market would, because the sellers have nowhere else to go.
Why India Argues About It
The sharpest Indian debates over buyer power happen in two places: farms and phones. In agriculture, farmers have long complained that fragmented mandis and a handful of large buyers leave them as price-takers. India's distinctive answer is not antitrust action but countervailing power — the government acting as an anchor buyer through Minimum Support Price (MSP), FCI and NAFED procurement, and cooperatives like Amul returning a large share of the consumer rupee to milk producers.
The newer flashpoint is the gig and quick-commerce economy. With platforms acting as near-exclusive buyers of delivery labour, workers argue they have little say over pay rates and conditions. NITI Aayog projects the gig workforce will swell toward tens of millions by the end of the decade, and recent rider strikes have pushed monopsony-style concerns into mainstream policy discussion around the new labour codes.
What It Means For Investors
For an investor scanning NSE and BSE names, buyer power cuts both ways. A company that is the dominant buyer — squeezing suppliers or labour — may enjoy fatter margins, but also reputational, regulatory and ESG risk. A company that sells into a monopsony — say, an auto-parts maker dependent on one OEM, or a contract manufacturer tied to a single brand — carries hidden fragility, because the buyer can dictate pricing at renewal.
Fund managers increasingly treat this as a quality screen. Concentrated customer dependence shows up in the risk sections of red herring prospectuses for a reason. Understanding who holds buyer power helps explain why some businesses defend pricing through cycles while others quietly bleed margin to a single, all-important customer.
Plain-English explainer from The Dispatch Investors Encyclopedia. General information, not financial advice.