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The Great Accretion and the Great Depression

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Abstract

The Second Industrial Revolution sparked a wave of new products and industrial processes, fueling an optimistic Roaring Twenties. But did excitement about technological progress contribute to an over accumulation of investment, despite a slowdown in new product development and satiated demand during the 1920s? And, was this over investment worsened by continuous process innovation? Could these factors have played a role in triggering the Great Depression? To explore these questions, a macroeconomic model that incorporates both process and product innovation is proposed. Proof-of-concept simulations are performed to assess whether these factors can help explain the Great Depression. The answer is yes.

Suggested Citation

  • Harold L Cole & Stefano Cravero & Jeremy Greenwood, 2026. "The Great Accretion and the Great Depression," Economie d'Avant Garde Research Reports 42, Economie d'Avant Garde.
    • Handle: RePEc:eag:rereps:42
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    JEL classification:

    • E13 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Neoclassical
    • E22 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Investment; Capital; Intangible Capital; Capacity
    • E24 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Employment; Unemployment; Wages; Intergenerational Income Distribution; Aggregate Human Capital; Aggregate Labor Productivity
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • N12 - Economic History - - Macroeconomics and Monetary Economics; Industrial Structure; Growth; Fluctuations - - - U.S.; Canada: 1913-

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