Edward Conard

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  • “…a must-read for serious students of economic policy.” - Glenn Hubbard, Dean, Columbia Business School, and former Chairman of the Council of Economic Advisers
  • “…reminds us that inequality sends a signal of what society lacks most, in America’s case, entrepreneurship and risk taking.” - Lawrence Lindsey, CEO, The Lindsey Group, former Director of the National Economic Council
  • “Unintended Consequences provides a provocative interpretation of the causes of the global financial crisis and the policies needed to return to rapid growth. Whether you agree or not, this analysis is well worth reading.” - Nouriel Roubini, New York University; Chairman, Roubini Global Economics
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  • “Unintended Consequences represents the most cogent and persuasive analysis of the Financial Crisis to date.” - Andrei Shleifer, 1999 John Bates Clark Medal Winner
  • “…a fresh argument for the productive value of inequality.” - David Autor, Professor of Economics, Massachusetts Institute of Technology
  • “…challenges misconceptions that distort our economic debates.” - Arthur Brooks, President of the American Enterprise Institute
  • “Unintended Consequences is far smarter and more thought-provoking than most economics written for the general public” - Greg Mankiw, Harvard University, Former Chairman of the Council of Economic Advisors
  • “Unintended Consequences is full of substance, it is one of the must-read books of the year, and once I finish it I will be giving it a second read through right away.” - Tyler Cowen, Professor, George Mason University
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  • “…a fresh argument for the productive value of inequality.” - David Autor, Professor of Economics, Massachusetts Institute of Technology
Upside of Inequality Oxford Unintended Consequences

AI Summary. Demand and supply curves estimated from pre-pandemic data imply relatively flat demand curves in the US and euro area, so adverse supply shifts would produce large output losses but comparatively little inflation. The authors argue explaining the observed combination of high inflation and output requires outward demand shifts, including accommodative monetary policy alongside fiscal expansion.

Domenico Giannone and Giorgio Primiceri Bookings Papers on Economic Activity
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Giannone and Primiceri revisit the relative role of supply vs. demand shocks in generating the post-Covid inflation. Because aggregate demand curves estimated from pre-pandemic data are flat, supply shocks alone would not have generated large inflation in the absence of added demand stimulus.

Did outward demand shifts, not supply shocks alone, drive recent inflation?

Core argument: Demand curves estimated from pre-pandemic US and euro-area data are relatively flat, reflecting central banks’ strong pre-pandemic responses to inflation, so adverse supply shifts produce large output losses but comparatively little inflation.

Demand and supply curve slopes are estimated from pre-pandemic data using the essentially definitional restriction that supply shocks move prices and output in opposite directions along demand curves, while demand shocks move them together along supply curves; the plotted slopes represent Bayesian posterior medians rather than uniquely identified estimates. The estimated demand curves are relatively flat in both the US and euro area [Figure 7], reflecting the central banks’ strong pre-pandemic responses to inflation. With those slopes, adverse supply shifts cause large output losses but comparatively little inflation. [To successfully explain] the combination of inflation and output observed in 2022 therefore requires demand to shift outwards too. Strong demand, including unusually accommodative monetary policy [on top of strong fiscal expansion], cushioned the output losses while increasing inflation [Figure 7]. In 2021–22, both inflation and GDP as subsequently revised exceeded forecasts in the US and euro area. That combination is suggestive of unexpectedly strong demand, whereas an adverse supply surprise alone would raise inflation but lower output. [Figure 9].

Takeaways by Macro Roundup® AI

  1. Demand curves estimated from pre-pandemic US and euro-area data are relatively flat, reflecting central banks’ strong pre-pandemic responses to inflation, so adverse supply shifts produce large output losses but comparatively little inflation.
  2. Explaining the 2022 combination of inflation and output requires an outward shift in demand, with strong demand — including unusually accommodative monetary policy atop fiscal expansion — cushioning output losses while raising inflation.
  3. In 2021–22, both inflation and GDP as subsequently revised exceeded forecasts in the US and euro area, a combination suggestive of unexpectedly strong demand, since an adverse supply surprise alone would raise inflation but lower output.

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  • Why Did Inflation Rise And Fall In 2021-24? Channels And Evidence From Expectations — Across countries, unexpectedly higher government deficits relative to earlier International Monetary Fund forecasts are associated with unexpectedly higher inflation, measured by each factor's contribution to the increase in public debt, a relationship the author finds statistically significant. This evidence is consistent with a fiscal channel for inflation.
  • Fiscal Influences on Inflation in OECD Countries, 2020-2022 — Across 21 economies, the authors find that headline and core inflation responded positively to a measure of government spending increases scaled by pre-pandemic debt-to-GDP and average debt duration. Estimated coefficients of 0.4–0.5 suggest 40–50% of the extra spending was financed through inflation, with the rest through conventional public finance.
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