Capitalizing on Nonbanks: Regulatory Arbitrage Inside Financial institution Holding Firms

Nicola Cetorelli and Shohini Kundu

This put up is the primary in a three-part collection on how financial institution regulation interacts with the organizational construction of banking companies. The collection attracts on the authors’ current Workers Report, “Regulatory Arbitrage Throughout the Agency.”

When economists and policymakers speak about nonbank finance, they normally bear in mind exercise that takes place outdoors the banking system in establishments that compete with banks for the supply of monetary intermediation companies, corresponding to fintech lenders, cash market funds, non-public credit score autos, insurers, and broker-dealers. A considerable share of U.S. nonbank monetary exercise, nevertheless, takes place inside financial institution holding firms (BHCs), carried out by nonbank subsidiaries that function alongside regulated industrial banks below widespread possession and built-in administration. On this first put up of our three-part collection, we doc the dimensions of nonbank exercise inside BHCs and describe the balance-sheet options that, as the rest of the collection exhibits, make these subsidiaries a automobile for regulatory arbitrage.

BHCs Account for One in 4 {Dollars} of Nonbank Intermediation

The fashionable BHC is a fancy group comprising dozens, in some instances a whole bunch, of legally separate subsidiaries, together with depository establishments but in addition a variety of nonbank monetary entities. Utilizing regulatory filings linked by a complete database of BHC organizational construction, we estimate that nonbank subsidiaries account for roughly 20 to 30 % of consolidated BHC belongings within the post-2010 interval, with broker-dealers making up the biggest single part (see the chart beneath). From the attitude of the mixture U.S. nonbank sector, roughly one in 4 {dollars} of nonbank monetary intermediation immediately is carried out by an entity whose mum or dad owns a regulated financial institution, a share that has grown steadily over time.

Nonbank Exercise Inside and Throughout the BHC Sector

Nonbank Subsidiaries of BHCs as a Share of Combination
U.S. Nonbank Monetary Belongings

The spike across the monetary disaster displays the conversion of Goldman Sachs and Morgan Stanley to BHC standing in 2008. However even absent that episode, the broader development is unmistakable: nonbank exercise has change into more and more embedded inside banking organizations. Whereas the biggest greenback volumes are concentrated within the greatest and most advanced BHCs, roughly two-thirds of BHCs with between $1 billion and $10 billion in consolidated belongings function a minimum of one nonbank subsidiary. In different phrases, having a nonbank footprint is a characteristic of the trendy financial institution holding firm extra broadly.

These subsidiaries function below direct parental management. As proven within the chart beneath, 73 % of nonbank subsidiary-quarters in our pattern are wholly owned by the mum or dad BHC, and a further 17 % are majority-owned, in order that 90 % of nonbank subsidiaries fall below direct parental management.

This possession construction offers the mum or dad efficient authority over subsidiary capital allocation, dividend coverage, and financing choices, the margins by which, as our subsequent put up exhibits, capital is reallocated throughout the group.

The Capital Is Not The place the Belongings Are

Prudential banking regulation is centered on capital necessities that apply to the depository establishment and to the consolidated holding firm, however to not nonbank subsidiaries individually. A financial institution should maintain widespread fairness above specified minimums relative to its risk-weighted belongings. Many nonbank associates throughout the similar group face considerably lighter capital regulation. Because of this, completely different subsidiaries working below the identical mum or dad can face very completely different capital constraints.

This regulatory asymmetry coincides with an equally placing asymmetry in how the 2 forms of subsidiaries are financed. Banks are extremely leveraged establishments. Entry to insured deposits permits them to fund a big share of their steadiness sheets with debt, so fairness ratios are usually comparatively low and infrequently cluster close to regulatory necessities. The median financial institution subsidiary holds fairness equal to roughly 10 % of belongings. Nonbank associates, against this, lack entry to insured deposits and rely extra closely on fairness funding. The median nonbank subsidiary has an equity-to-asset ratio of 69 %.

Because of this, fairness throughout the group is distributed fairly in a different way from belongings, creating what we name the “fairness multiplier,” outlined because the nonbank share of consolidated fairness divided by the nonbank share of consolidated belongings. The median nonbank subsidiary accounts for a bit below 2 1/2 % of consolidated belongings however practically 16 % of consolidated fairness, for a multiplier of 6.5. The ratio is highest for funds and asset managers; even nonbank lenders, probably the most leveraged class, carry a multiplier close to 5 (see chart beneath). Nonbank associates operate as fairness reservoirs: small steadiness sheets holding a disproportionate share of the group’s redeployable capital.

Fairness Multiplier Varies by Nonbank Subsidiary Sort

How Capital Strikes Throughout the Agency

Whether or not this inventory of nonbank fairness issues for the remainder of the group is determined by how sources transfer inside BHCs. A rising literature has proven that BHCs actively reallocate liquidity throughout subsidiaries by inner capital markets, utilizing intra-firm loans, deposits, and different funding preparations to reply to shocks and funding pressures. Latest work has emphasised how these inner liquidity networks join banks and nonbank associates throughout the similar group.

Our proof factors to a further channel. Alongside liquidity reallocation, fairness reallocation is a quantitatively dominant margin inside these organizations. Decomposing mum or dad investments in financial institution subsidiaries, we discover that fairness positions exceed non-equity positions by an order of magnitude (see chart beneath). Father or mother fairness investments in banks common 10–11 % of financial institution belongings over 2005–24, whereas non-equity investments corresponding to loans and receivables whole simply 1–2 %, and web borrowing amongst associates stays near zero all through the pattern.

Father or mother Investments in Financial institution Subsidiaries: Fairness vs. Non-Fairness

These patterns counsel that when regulation operates by capital necessities, fairness transfers change into an particularly vital organizational margin of adjustment.

A Divergence Emerges in 2015

These information increase a pure query: if nonbank subsidiaries maintain a disproportionate share of organizational fairness, and fairness is the operative inner channel, how do BHCs reply when capital necessities on their financial institution subsidiaries tighten? The reply begins to emerge in 2015, when Basel III’s minimal capital necessities grew to become binding for U.S. banks.

Earlier than 2015, extra capital—capital above all binding regulatory minimums—evolves in parallel for banks inside BHCs with nonbank subsidiaries and banks inside BHCs with out them, albeit at completely different ranges. Starting in 2015, the 2 collection diverge sharply: banks affiliated with nonbank subsidiaries accumulate considerably bigger capital buffers, with the hole widening to eight–10 share factors by 2020. On the consolidated holding firm degree, against this, no comparable divergence seems; extra capital for BHCs each with and with out nonbank subsidiaries declines progressively as the brand new necessities part in.

Banks change into higher capitalized; the organizations that personal them don’t. The place does the extra financial institution capital come from?

In our subsequent put up, we present that the reply lies contained in the agency itself. Utilizing historic variation in interstate banking deregulation to establish variations in organizational complexity, we hint how holding firms reallocated capital throughout subsidiaries after Basel III and present that a lot of the rise in financial institution capital got here from the fairness reservoirs contained in the group and never from outdoors buyers.

Nicola Cetorelli is head of Monetary Intermediation within the Federal Reserve Financial institution of New York’s Analysis and Statistics Group. 

Shohini Kundu is an assistant professor of finance on the UCLA Anderson College of Administration and an assistant professor of regulation (by courtesy) on the UCLA College of Legislation.

 
@article{CetorelliKundu2026,
    writer={Cetorelli, Nicola and Kundu, Shohini},
    title={Capitalizing on Nonbanks: Regulatory Arbitrage Inside Financial institution Holding Firms},
    journal={Liberty Road Economics},
    notice={Liberty Road Economics Weblog},
    quantity={July 15},
    12 months={2026},
    url={https://doi.org/10.59576/lse.20260715}
}