Definition
Power accumulation is the structural and psychological process by which individuals or institutions amass authority — the practical capacity to direct resources, set agendas, and impose outcomes — without an equivalent expansion of accountability to those who must live with the outcomes.
In Robert Caro's The Power Broker, power accumulation is the central analytic frame. Robert Moses began his career in 1913 with no power; by 1959 he held twelve simultaneous appointive positions, controlled an organization (the Triborough Bridge Authority) with annual surplus exceeding the entire capital budget of New York City, and could not be removed by any elected official without a multi-year political fight. He accumulated this power without ever winning an election.
Why it matters
The structural pattern
Caro traces a consistent pattern through Moses's career and finds it repeated in other powerful figures (J. Edgar Hoover, Allen Dulles, various banking and military operators).
Stage 1 — Technical mastery. The accumulator demonstrates unusual technical skill in some legitimate domain — bill drafting (Moses), bureaucratic counterintelligence (Hoover), foreign-intelligence operations (Dulles). The technical skill becomes indispensable to elected officials who cannot replicate it.
Stage 2 — Embedding. The accumulator embeds the technical skill in institutions whose authority is permanent or near-permanent — public authorities with bond covenants, agencies with statutory independence, foundations with self-perpetuating boards. The institution becomes the carrier of the accumulator's authority.
Stage 3 — Multiplication. The accumulator takes on additional appointive positions, each technically minor but together substantial. The multiplication is invisible to elected officials looking at any single appointment.
Stage 4 — Insulation. Bond covenants, statutory protections, and personnel decisions create legal barriers to removal. By this stage the accumulator can survive hostile elections.
Stage 5 — Press and social infrastructure. A protective press relationship (Moses-and-the-Times) and personal social infrastructure (strategic hospitality, board relationships) make political removal politically expensive in addition to legally difficult.
The Caro test
Caro proposes an implicit test for whether an officeholder has accumulated power beyond the threshold of democratic accountability: can the officeholder be removed by the next election? If yes, the office is governed by ordinary democratic dynamics. If no — if removal requires a multi-year political fight, statutory changes, or supermajority votes — the officeholder has accumulated power outside the democratic framework.
By Caro's test, Moses had passed the threshold by roughly 1946 and remained beyond it until 1968.
Modern applications
The framework applies to many contemporary institutions:
- Independent regulatory agencies. Federal Reserve governors, FCC commissioners, FTC commissioners hold long terms designed to outlast political cycles. The independence is often justified on technocratic grounds; the accountability gap is real.
- Federally chartered enterprises. Fannie Mae and Freddie Mac operated as power accumulators in the housing-finance system from 1968 to 2008. Their bond-market insulation made political reform impossible until catastrophic failure forced it.
- Large foundations and university endowments. Multi-billion-dollar institutions operate with effectively no electoral accountability and substantial public-policy influence.
- Long-tenured law-enforcement and intelligence officials. The Hoover pattern of multi-decade independent tenure recurs.