Introduction -- Accounting for the firm as a business model -- Strategy : arbitrage for financial leverage -- Business models : reworked for a financialized world -- Business models : global context -- Accounting for national business models -- Business models : adaptation and restructuring -- US banking : a viable business model? -- The private equity business model : leveraged and fragile -- Bio-pharma : a maturing business model? -- Business models for a digital lifestyle -- Accounting for the UK hospice business model.