Regulatory capture occurs when government agencies meant to regulate an industry end up serving that industry's interests. The mechanism is the revolving door: industry executives become regulators, then return to industry at higher salaries. The SEC's enforcement division regularly loses attorneys to the firms they investigated. Former Treasury secretaries routinely join Wall Street banks. The expertise that makes someone a good regulator also makes them valuable to the regulated.

This isn't corruption in the traditional sense — no briefcases of cash change hands. It's structural: when your future career depends on the goodwill of the industry you regulate, enforcement becomes gentler. When your predecessor and successor both work for Goldman Sachs, the Overton window of acceptable regulation narrows.

The financial industry spent $721 million on lobbying in 2022 and another $260 million on campaign contributions. These aren't charitable donations — they're investments with documented returns. Research by economists at the IMF found that financial firms' lobbying spending correlates strongly with favorable regulatory outcomes. For every dollar spent on lobbying, the return is estimated at $220.

Captured regulation doesn't look like deregulation — it looks like complexity. The Dodd-Frank Act, passed after the 2008 crisis, is 2,300 pages long with over 22,000 pages of implementing rules. Complexity benefits large firms that can afford compliance departments and lawyers while creating barriers to entry for smaller competitors. The biggest banks are bigger now than before the regulation meant to constrain them.

The tax code is another example: 6,871 pages of complexity that primarily benefits those who can afford sophisticated tax planning. Every loophole represents someone's successful lobbying. The carried interest provision — which allows private equity managers to pay capital gains rates (20%) instead of income tax rates (37%) on their earnings — has survived every attempt at elimination because the industry spends tens of millions annually to preserve it.

Even consumer "protection" agencies can be captured. The Consumer Financial Protection Bureau, created after 2008 to protect consumers, has seen its enforcement powers challenged, its leadership contested, and its funding mechanism attacked — all through lobbying by the financial industry it was designed to oversee.

The countries with the strongest financial consumer protection share common features: regulators funded independently (not by the industries they regulate), mandatory cooling-off periods for financial products, fiduciary requirements for all financial advisors (not just some), strong whistleblower protections with financial rewards, and criminal penalties for executives (not just corporate fines that shareholders absorb).

The Consumer Financial Protection Bureau (CFPB), created after the 2008 crisis, returned $16 billion to consumers in its first decade through enforcement actions against predatory lending, deceptive credit card practices, and illegal debt collection. It was designed to be industry-independent — funded by the Federal Reserve rather than Congressional appropriation — precisely to resist capture. Ongoing political efforts to defund or restructure it demonstrate how seriously the financial industry takes effective regulation.

Individual defense against regulatory capture: verify that any financial advisor has a fiduciary duty (not just a "suitability" standard), read enforcement actions against financial companies you use (they're public and searchable), support consumer protection organizations, and vote based on candidates' regulatory positions rather than their stated economic philosophy. The regulatory environment is the single largest determinant of whether markets serve consumers or extract from them.