Since the demand for most drugs is inelastic with respect to price, the more you restrict supply, the greater the total revenue from sales and the more cash available to fuel the crime syndicates.

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In regards to leverage, Basel III introduced a minimum 3% leverage ratio and two required liquidity ratios: (1) the Liquidity Coverage Ratio, which requires a bank to hold high-quality liquid assets to cover its total net cash outflows over 30 days, and (2) the Net Stable Funding Ratio, which requires the available amount of stable funding to exceed the required amount of stable funding over a one-year period of extended stress.

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