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The Supermultiplier-Cum-Finance. Economic Limits of a Credit Driven System

Óscar Dejuán () and John McCombie
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Óscar Dejuán: University of Castilla – La Mancha (UCLM)

No CSWP32, Centro Sraffa Working Papers from Centro di Ricerche e Documentazione "Piero Sraffa"

Abstract: Credit explosion, debt overhang and asset bubbles, of the size observed in the period 1995-2008, have been a recurrent problem of advanced capitalism. In this paper we analyse the causes and consequences of over-indebtedness from a supermultiplier model that takes into account the debt-service. We contend that the accelerator of investment is a stable and stabilizing mechanism when investment depends on the expected increases in “permanent” demand. The problems of instability are rooted in the consumption-multiplier when it does not depend on fixed parameters (like the tax rate) but on coefficients that evolve endogenously; namely the debt-burden and the debt service. To control the financial sources of this instability, monetary authorities should prevent that credit rises systematically above the growth of nominal GDP.

Keywords: Financial Instability; Supermultiplier; Post-Keynesian Economics; Sraffian Economics (search for similar items in EconPapers)
JEL-codes: E11 E12 E32 (search for similar items in EconPapers)
Pages: 28 pages
Date: 2018-07
New Economics Papers: this item is included in nep-fdg, nep-mac and nep-pke
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