balance sheet capacity is defined by regulations
in a world dominated by debt refinancing rather than new credit issuance - the ability to take on more assets and liabilities is more important than interest rates
π debt rollover capacity is more important than cost of capital
NOTE: Basel III is legally non-binding
so for a step 2 you'd want to look into the transposed legislations
πͺπΊ EU: Capital Requirements Regulation & Capital Requirements Directive
πΊπΈ USA: split throughout Code of Federal Regulations
(just ask ChatGPT/LLM & read from there π)