Economic derivation of growth rates with no apparent political or financial leads

Economic derivation of growth rates with no apparent political or financial leads The passage is a technical discussion of macroeconomic formulas without references to individuals, institutions, transactions, or controversies. It offers no actionable investigative leads. Key insights: Derives a growth equation linking output, consumption, and capital.; Introduces a 'thrift rate' as negative consumption rate.; References Mill and Keynes but only in theoretical context.