When health economics emerged as a distinct discipline in the late 1960s, mainstream academic and policy paradigms widely held that competitive market mechanisms were structurally incompatible with medical delivery. Influenced by foundational ideas such as Kenneth Arrow’s landmark 1963 paper emphasizing the widespread friction of clinical uncertainty, early experts argued that society would have to look almost exclusively to non-market interventions to fix systemic gaps in medical equity and insurance. However, over the subsequent half century, there was a profound shift in intellectual paradigms from command-and-control regulation toward various nuanced forms of market competition. In an interesting retrospective, Paul Ginsberg (2026) traces this 75-year evolution, showing how the policy landscape moved from strictly administrative pricing to a complex paradigm of managed competition.
The key historical topics and regulatory changes discussed in the article are detailed below:
- Hospital Price Regulation: During the 1970s, rapidly rising costs prompted federal and state regulators to experiment with direct rate-setting, ranging from paying passive “reasonable costs” to imposing strict daily limits and state-level, all-payer prospective rate systems. This administrative experiment culminated in Medicare’s adoption of national diagnosis-related groups (DRGs) in 1983, which created artificial competitive incentives by allowing low-cost hospitals to maintain financial surpluses.
- Supply Restrictions: Believing in “Roemer’s Law” – the mid-century notion that expanding hospital bed capacity automatically generates its own utility demand – the federal government and individual states actively curbed market entry through certificate of need (CON) laws. Subsequent systematic research showed that the CON mandate had no measurable long-term impact on total expenditures, with 35 programs active, largely serving to protect existing health systems from direct competitive entry.
- Antitrust Policy: Antitrust enforcement was entirely absent in the health sector for decades because courts and federal agencies had long assumed that nonprofit and charitable medical institutions would not act to aggressively raise market rates. This regulatory paradigm was broken by historical legal benchmarks, starting in 1975. goldfarb The decision ruled that the professions are subject to the Sherman Antitrust Act, and resulted in the FTC’s ruling in 2007. Evanston Northwestern A victory that stopped a decades-long series of unsuccessful nonprofit merger challenges.
- Initial steps towards promoting competition: The federal government first attempted to explicitly incorporate market forces into this area through the Health Maintenance Organization (HMO) Act of 1973, which provided direct developmental grants and mandated that employers provide integrated financing and delivery options. Although inspired by integrated paradigms such as Kaiser Permanente, many believe that modern HMOs are largely mechanisms for restrictive insurance plan architecture rather than radically restructured delivery models.
- Managed Contest Framework: Popularized by the influential conceptual model of Ellen Enthoven in the late 1970s, this paradigm proposed that insurers compete on transparent premiums within structured markets supported by fixed employer contributions. These ideas directly shaped the competitive architecture of modern state-run Affordable Care Act (ACA) marketplace exchanges, and have also been adapted internationally (e.g., Germany, Netherlands, Switzerland).
- Development of Managed Care: To curb persistent spending growth driven by provider moral hazard, employer-sponsored plans shifted away from passive, fee-for-service bill indemnity toward highly structured managed care products such as PPOs and HMOs. These network models have evolved to use precise, highly restrictive cost-containment tools, using non-financial constraints such as prior authorization, as well as aggressive financial incentives to maintain care in the network.
- Public Program Market Integration: Federal and state authorities have woven competing designs directly into public entitlements, creating a multibillion-dollar market through the Medicare Advantage and Medicaid managed care programs. While Medicare Advantage has expanded to include more than half of all eligible beneficiaries by 2026, an ongoing policy challenge remains the reality that plan payments are driven by favorable selection rather than pure cost efficiency.
- Medicare Physician Payment Reform: In 1989, Congress completely transformed Medicare reimbursement by implementing a comprehensive, resource-based relative value scale (RBRVS) fee schedule to correct the severe imbalance between procedural interventions and cognitive primary care visits. This administrative pricing standard—initially proposed by Hsiao et al. 1988 – Quickly adopted by commercial insurers, effectively establishing a unified national baseline that simplified corporate provider negotiations to clean percentages of the Medicare benchmark.
- Price and quality transparency: Hoping to empower consumers to act as price-sensitive purchasers for routine services, recent federal regulations have forced hospitals and commercial insurers to publicly report their negotiated contract rates. However, consumer engagement remains low because the complex clinical data underlying the disease is exceptionally difficult to navigate. Furthermore, price transparency may paradoxically raise prices in this environment, if consumers are not price sensitive and low-cost providers realize that they can raise prices to the local average.
- Promoting rational consumer choices: Drawing heavily on behavioral economics and the “paradox of choice”, modern state exchanges such as Covered California have standardized benefit levels and intentionally limited the number of regional plan offerings to optimize consumer decision making. These structural limitations underpin systemic consumer biases, such as the tendency to overvalue low-deductible copay coverage at the expense of essential, long-term catastrophic protection.
- Recent antitrust challenges: The modern consolidation wave in hospital systems, physician practices, and commercial insurers has forced federal regulators to move from traditional horizontal merger reviews toward complex vertical and cross-market integration. This includes examining the possibility of competitive distortions resulting from arbitrary site-neutral payment rules that allow hospital-owned outpatient departments to extract higher facility fees than independent doctors, thereby accelerating corporate takeovers of independent practices.
- Public Option and Cost Increase Targets: Frustrated with high commercial insurance premiums, states such as Washington and Colorado have launched targeted “public option” plans that contract with private administrators mandating low provider reimbursement baselines.
As Ginsberg concludes, the contemporary American healthcare system is a far cry from any textbook model of perfect competition. Yet, competitive market dynamics undeniably serve as a core structural element governing the modern landscape. The article concludes by saying that competition – especially in highly regulated markets with third-party payers – has both pros and cons:
Economists are deeply familiar with the idea that competition is a double-edged set of incentives, especially in markets with imperfect information and imperfect competition. On the one hand, competition incentives may encourage providers to provide lower costs and higher quality; On the other hand, they may encourage providers to create such a market or design competitive mechanisms to cut costs by limiting access to care.
The article has a great overview and is an introductory article Journal of Economics Perspectives Special issue on competition in health care.
