Abstract
This chapter examines the link between the instability features of a profit-driven economy and the structural changes inherent to that type of economy. Moving from consideration of the profit motive as search and exploitation of price (or cost) differentials, the chapter considers the structural dynamic of this type of economy as a process driven by the generation of differentials that attract investment in real or financial activities. The chapter calls attention to the dual character of that dynamic depending on whether it takes place through the “horizontal” reshuffling of activities in the real economy or the “vertical” shifting of liquid funds between real and financial activities. Constraints and opportunities for policy-making arise from those dynamics. Combining attention to horizontal and vertical changes in economic structure, the chapter highlights the dual role of finance, which may alternatively trigger “patient” long-term investment in the real sphere or generate instability under conditions of increased financialization and market volatility. This open-endedness of structural dynamics has important implications for economic policy, which can only overcome the trade-off between incentive to invest and economic expansion by triggering structural changes along a path compatible with the investment of liquid funds in the real economy.
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Notes
- 1.
Luigi Pasinetti examined the structural changes required on a dynamic path triggered by technical progress and changes in consumer actions under conditions of full employment and full capacity utilization. His analysis is carried out considering the fundamental structural relationships that determine the “natural” dynamic path of the economy independently of its institutional characteristics (Pasinetti, 1981, 1993, 2007; see also Scazzieri, 2012). Alberto Quadrio Curzio investigated the structural transformation path of an economic system identified by access to a given set of production techniques if that system is to grow at its maximum feasible rate under constraints generated by natural or technological scarcities (Quadrio Curzio, 1975, 1986, 1996; see also Scazzieri et al., 2015).
- 2.
- 3.
Hicks denotes as “double equilibrium path” a path associated with “both saving-investment equilibrium and full employment” (Hicks 1977, p. 11, Hicks’s emphasis).
- 4.
This point of view suggests that greater flexibility of manufacturing structures (Bianchi & Labory, 2019) and financial innovation leading to greater liquidity of financial investment may be two sides of the same process driven by the profit motive under conditions of increased volatility.
- 5.
Charles Babbage added to Smith’s advantages (increasing dexterity, saving of time, and greater likelihood of invention) a fourth advantage consisting in the possibility for the “master manufacturer” to “purchase exactly that precise quantity [of the different degrees of skill or of force] which is necessary for each process” (Babbage, 1835, p. 175; see also Scazzieri, 1993).
- 6.
This “narrow path” is emphasized in Shaikh (2019). See also Shaikh (2016) and Shaikh’s contribution to this volume. Shaikh develops Richard Goodwin’s growth cycle model (Goodwin, 1967), which assumes that only capitalists save and that all savings are invested, so that the rate of capital accumulation equals the rate of profits. This model calls attention to the relationship between the inducement to invest as signaled by the rate of profits and the rate of change of the wage share, defined as “the rate of change of real wages minus the rate of change of productivity” (Shaikh, 2016, p. 642). In this analytical framework, demand stimulus policy may raise real wages above the rate of change of productivity thus raising the wage share to the detriment of the profit share and of the rate of profits with a potentially detrimental effect on the overall level of activity, since “it takes a particular wage share to give the savings rate which will align warranted growth to the natural rate” (ibid., p. 647). The generalization of the model to include workers’ savings out of wages (Pasinetti, 1962) would not significantly modify the above result since the rate of profits π compatible with warranted growth at the natural rate n would only reflect the capitalists’ propensity to save sc, that is, π = n ∕ sc.
- 7.
An interesting case is that of the so-called family offices, which are essentially unregulated and managed around $5.9tn in 2019 (Martin et al., 2021, p. 6).
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Acknowledgements
I am grateful to Sunanda Sen for enlightening conversations on the themes of this essay and in particular on the relationship between uncertainty and the removal of liquidity from the production sphere. I am also grateful to Maria Cristina Marcuzzo and Annalisa Rosselli for their comments and suggestions on a previous draft of this chapter. The usual caveat applies.
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Scazzieri, R. (2022). Instability and Structural Dynamics in the Macroeconomy: A Policy Framework. In: Arnon, A., Marcuzzo, M.C., Rosselli, A. (eds) Financial Markets in Perspective. Springer Studies in the History of Economic Thought. Springer, Cham. https://doi.org/10.1007/978-3-030-86753-9_14
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