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Thomas R. Michl and Kayla M. Oliver

Hysteresis, path dependence, and multiple equilibria are characteristic features of post-Keynesian economics. This paper constructs an otherwise conventional three-equation model that includes a hysteresis-generating mechanism and an invariant output target. We use it to explore the implications for monetary policy of an output-targeting policy framework that seeks to reverse the damage caused by hysteresis. We restrict ourselves to negative aggregate demand shocks and positive inflation shocks that in most instances require a disinflationary response from the central bank. One important finding is that as long as inflation expectations are to some degree anchored, the central bank can achieve its output target after an aggregate demand shock by overshooting its inflation target temporarily and running a ‘high-pressure labor market.’ If expectations are unanchored, an aggregate demand shock will not have long-run hysteresis effects because the central bank is obliged to reflate aggressively, replacing on a cumulative basis all the demand that was lost through the shock. However, with unanchored expectations a pure inflation shock will create hysteresis effects since the central bank will need to disinflate and it does not have the option of running a high-pressure labor market. Anchoring gives the central bank this option, making inflation shocks manageable.

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Fernando J. Cardim de Carvalho

Much of the criticism directed at austerity programs implemented after the 2007/2008 financial crisis, more forcefully in the eurozone, have relied on the same arguments Keynes and others raised against the (British) Treasury View developed in the 1920s and 1930s. Austerity, however, has been proposed most insistently in the 2010s by European authorities, led by the German Federal Ministry of Finance, the Bundesfinanzministerium (BMF). While the arguments for austerity then and now share some common elements, there are enough original arguments being presented by the BMF to make many of the criticisms ineffective. The paper reconstructs both views, the Treasury's and the BMF's, to show and evaluate their similarities and their differences.

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Robert J. Gordon

In the late 1960s the stable negatively sloped Phillips curve was overturned by the Friedman–Phelps natural rate model. Their Phillips curve was vertical in the long run at the natural unemployment rate, and their short-run curve shifted up whenever unemployment was pushed below the natural rate. This paper criticizes the underlying assumption of the Friedman–Phelps approach that the labor market continuously clears and that changes in unemployment down or up occur only in response to ‘fooling’ of workers, firms, or both. A preferable and resolutely Keynesian approach explains quantity rationing by inertia in price and wage setting. The positive correlation of inflation and unemployment in the 1970s and again in the 1990s is explained by joining the negatively sloped Phillips curve with a positively sloped dynamic demand curve. For any given growth of nominal GDP, higher inflation implies slower real GDP growth and higher unemployment. This ‘triangle’ model based on demand, supply, and inertia worked well to explain why inflation and unemployment were both positively and negatively correlated between the 1960s and 1990s, but in the past decade the slope of the short-run Phillips curve has flattened as inflation exhibited a muted response to high unemployment in 2009–2013 and low unemployment in 2016–2018.

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Thomas Palley and Matías Vernengo

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Robert Solow

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Marc Lavoie

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Jayati Ghosh

Despite a few pockets of relatively fast expansion, overall deficiency of demand characterises the world economy. The external stimulus provided by the US is declining; Europe's net impact is negative because of the emphasis on generating current-account surpluses. While China is already a significant global economic player, it cannot adequately counter the effect of this reduced impetus from the major developed countries. Much of the developing world is relying on unsustainable debt-driven bubbles in the financially liberalised environment to generate economic recovery. Sustaining the development project will require countries to shift from export-oriented growth to more reliance on domestic demand through wage and employment increases.

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Edited by Sheila Dow, Jesper Jespersen and Geoff Tily

The chapters in this volume, and its companion volume, The General Theory and Keynes for the 21st Century, originated in a celebration marking the happy coincidence that 2016 saw the 80th birthdays both of the publication of Keynes’s General Theory of Employment, Interest and Money and of Victoria Chick, who has contributed so much to the development of Post-Keynesian theory and method. Her monograph Macroeconomics after Keynes: A Reconsideration of the General Theory has been one of the stepping stones for two generations of macroeconomists. As with Keynes, from the very beginning of her career monetary, banking and financial theory have been of special interest: how to analyse the development of money and finance, and the intertwined relationship between financial and real activities. The chapters in these volumes serve as a reminder to academic and professional economists of the narrowness, let alone the limited relevance, of the conventional account of Keynes. They are indicative of a more substantial and richer approach to economics, just as mainstream economics is being forced to confront its grave limitations in the wake of the global financial crisis and subsequent stagnation. Those from the mainstream who are approaching these limitations in a constructive manner are therefore found assessing the nature of money and deposit creation, the role of uncertainty and ideas around multiple equilibria – constant themes of Vicky’s research.