| Zusammenfassung: | Growth dynamics are often explained by insatiable wants or anthropological constants, modelled as preferences and behavioural axioms. By contrast, structural perspectives postulate a growth imperative due to macroeconomic or monetary system-inherent properties. Reconciling both perspectives, we develop a relational structure–agency framework to evaluate growth imperative hypotheses. We analytically separate the credit structure (including balance-sheet mechanics and nominal uncertainty) from institutional structure, and describe decision norms for households, entrepreneurs, commercial banks, central bank, and the state. Our framework suggests that the interplay of credit principles, income-dependent saving and portfolio saving rationales prevent the interest rate from adjusting downwards and thereby cause mature credit economies to stagnate. Underemployment results in growth policies becoming the dominant norm – seeking, under budget constraints, to overcome declining growth rates. Our method helps identifying agency to resolve this imperative. Preventing real asset inflation to relieve monetary policy at the effective lower bound appears essential.
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