Acquihires and Other Antitrust Ghost Stories
Merger-control debates tend to repeat themselves. As new transaction forms emerge, regulators often move quickly to respond before harm becomes irreversible. Over the past decade, this pattern played out in debates over “killer acquisitions,” and earlier, minority shareholdings. Today, a similar dynamic surrounds so-called “acquihires.”
Acquihires are transactions aimed primarily at acquiring a firm’s workforce, rather than its products or other assets. They differ from “license-and-hire” agreements, in which the acquirer also licenses the target’s technology. In recent years, acquihires have drawn increasing policy attention. Critics argue they allow large incumbents to consolidate power, hoard talent, and sidestep merger-control thresholds. Federal Trade Commission (FTC) Chair Andrew Ferguson captured this concern when he announced that the agency would investigate such deals “to make sure they are not a way to get around” merger review.
These concerns are especially acute in fast-growing sectors like artificial intelligence (AI), where human capital drives innovation. Recent transactions have served to intensify the scrutiny. Microsoft hired Inflection AI’s top talent while licensing its technology. Google entered a similar arrangement with Character.ai, and Amazon with Adept.
This debate echoes earlier concerns about killer acquisitions. That literature focused on dominant firms acquiring nascent rivals to shut them down and preempt future competition. Empirical support emerged in pharmaceutical markets, but evidence from other sectors like digital markets remained limited. That distinction did little to slow policy momentum. Regulators and commentators increasingly treated large technology acquisitions as inherently suspect, even when the empirical record was mixed.
Acquihires and similar arrangements now play a comparable rhetorical role, particularly in discussions of AI. Commentators sometimes describe AI as a “first-class fire accelerator” of anticompetitive conduct. This framing elevates a transaction form that is neither new nor empirically settled into a systemic threat.
That narrative risks repeating the analytical missteps of the early killer acquisition debate. The point is not that acquihires cannot be anticompetitive. Rather, current discussions often rest on questionable assumptions. This post examines three: that acquihires are designed to evade regulatory scrutiny; that they are inherently anticompetitive; and that existing enforcement tools are inadequate, requiring regulatory expansion. A more effective approach is to analyze these transactions within the existing merger-control framework.