Regulation has an asset side.
Traditional regulatory design naturally focuses on liabilities: leverage, concentration, contagion, misconduct and other sources of loss. That is necessary, but incomplete. Markets also depend on liquidity, participation, investment capacity, competition and confidence. A rule that suppresses one risk by eliminating the capacity to transact can move the system away from the intended outcome.
A more useful architecture treats resilience and opportunity as two sides of the same regulatory balance sheet. The objective is not maximum activity or minimum risk. It is a market that continues to perform its economic function across ordinary conditions and stress.
Products can perform regulatory work.
Not every regulatory intervention needs to be a prohibition, disclosure rule or capital requirement. A financial product can change behavior by changing the payoff. Guarantees, contingent facilities, committed liquidity, risk-sharing instruments and other structures can create capacity precisely when private incentives would otherwise withdraw it.
That makes product design a regulatory resource. The instrument is judged by the market behavior it induces, the public exposure it creates and the resilience it adds to the system.
Mobilization and protection are the same architecture.
Public capital is often discussed as risk absorption. The same structure can be understood as market creation. Credit enhancement, first-loss capacity, demand commitments and guarantees alter the distribution of risk so that participants who could not transact before can do so on acceptable terms.
The design question is therefore broader than how much risk the state should take. It is which risks belong with which participants, what new activity that allocation makes possible, and whether the resulting market remains stable when conditions change.