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Did Policy Choices After 1970 Systematically Dismantle Middle-Class Mobility?
submitted 2026年10月22日 by @david 149
What Happened to the American Dream?
2 investigations · 2 maps · 70 claims · Last updated 2026年10月22日
Overview
What Happened to the American Dream?: 2件の公開調査、70件の主張。
マップの概要
- 5Was the Mid-Century American Dream an Unrepeatable Geopolitical Fluke?
submitted 2026年10月22日 by @david 149
OverviewWas the Mid-Century American Dream an Unrepeatable Geopolitical Fluke? examines the macroeconomic and geopolitical context of the postwar Golden Age. It argues through historical growth statistics, multi-factor productivity estimates, and demographic series that US prosperity was propelled by the temporary devastation of foreign competitors, an exceptional wave of technological innovation, and a massive demographic …
Last generated 2026/10/22 16:48 by a member
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Themes across the family
A broad read of every map in this family: the themes that run through them and how each map treats them. Structured scans give a more targeted side-by-side.
The Post-1970 Economic Inflection
2 / 2 個のマップBoth maps identify the early 1970s as a decisive breakpoint marking the collapse of the postwar golden age, though they differ on whether the break was driven by macro-technological exhaustion or policy-driven wage decoupling.
M1Was the Mid-Century American Dream an Unrepeatable Geopolitical Fluke?
Argues that labor productivity and multi-factor productivity naturally slowed after 1972 as the unique wave of mid-century innovations crested.
M2Did Policy Choices After 1970 Systematically Dismantle Middle-Class Mobility?
Shows that worker compensation decoupled from ongoing productivity gains in the 1970s, ending the shared prosperity of the postwar decades.
Structural Forces Versus Domestic Policy
2 / 2 個のマップThe research family weighs whether the erosion of middle-class living standards was the unavoidable result of global convergence and demographics, or the intended outcome of legal and political choices.
M1Was the Mid-Century American Dream an Unrepeatable Geopolitical Fluke?
Emphasizes that postwar American dominance rested on unique demographic growth and global war damage that inevitably normalized.
M2Did Policy Choices After 1970 Systematically Dismantle Middle-Class Mobility?
Contends that three-quarters of the divergence between productivity and median compensation stems directly from institutional and legal decisions rather than natural economic forces.
Global Rebuilding and Relative Preeminence
1 / 2 個のマップThe maps touch on how international economic standing influenced American prosperity, highlighting the shift from an unchallenged manufacturing hegemon to a competitive global market.
M1Was the Mid-Century American Dream an Unrepeatable Geopolitical Fluke?
Details how rapid postwar recovery and productivity catch-up by West Germany and Japan eroded the extraordinary manufacturing monopoly held by the United States.
Labor Bargaining and Corporate Restructuring
2 / 2 個のマップThe research family documents how institutional changes in corporate governance, financial regulation, and union power restructured the distribution of corporate revenues.
M2Did Policy Choices After 1970 Systematically Dismantle Middle-Class Mobility?
Argues that employer resistance to unions, corporate lobbying, and safe harbors for stock repurchases systematically shifted wealth from workers to executives and shareholders.
M1Was the Mid-Century American Dream an Unrepeatable Geopolitical Fluke?
Highlights the secular contraction of high-productivity manufacturing jobs as a proportion of total employment as a structural drag on broader labor productivity.
Both maps agree that the mid-century era prior to 1973 was characterized by rapid productivity expansion that supported broad-based economic gains before slowing down markedly.
M1Was the Mid-Century American Dream an Unrepeatable Geopolitical Fluke?
C0019US postwar productivity growth正確と確認済み
Between 1948 and 1973, U.S. private nonfarm output per hour grew at a compound annual rate of 2.88 percent, of which 1.90 percentage points came from increases in total factor productivity.
推論重要度: 低Claude
M2Did Policy Choices After 1970 Systematically Dismantle Middle-Class Mobility?
C0009Productivity and compensation divergence正確と確認済み
Net productivity and typical worker compensation grew together from 1948 to 1973 before diverging sharply, fully decoupling after 1979.
推論重要度: 低Claude
The maps disagree on whether the stagnation of middle-class living standards was primarily caused by an unavoidable deceleration in underlying labor productivity or by political and policy decisions that skewed income distribution.
M1Was the Mid-Century American Dream an Unrepeatable Geopolitical Fluke?
C0032US labor productivity growth slowdown正確と確認済み
US total-economy labor productivity grew at an annual rate of 2.82% from 1948 to 1972 before slowing to 1.55% from 1972 to 1996, according to Robert Gordon.
推論重要度: 低Grok
M2Did Policy Choices After 1970 Systematically Dismantle Middle-Class Mobility?
C0012Policy causes productivity divergence正確と確認済み
Mishel and Bivens calculated that identifiable policy factors account for three-fourths of the divergence between net productivity and median hourly compensation from 1979 to 2017.
推論重要度: 低Claude
Was the Mid-Century American Dream an Unrepeatable Geopolitical Fluke? uniquely emphasizes the dramatic post-WWII productivity convergence and export growth of Germany and Japan as a structural headwind for the US.
M1Was the Mid-Century American Dream an Unrepeatable Geopolitical Fluke?
C0030Convergence with US per-capita GDP正確と確認済み
Germany's GDP per capita rose from 50% of the US level in 1950 to 84% by 1988, while Japan's rose from one-sixth to 78% over the same period.
推論重要度: 低Grok
Did Policy Choices After 1970 Systematically Dismantle Middle-Class Mobility? uniquely focuses on how financial deregulation, specifically the SEC adoption of Rule 10b-18, enabled large-scale share repurchases that shifted capital away from compensation.
M2Did Policy Choices After 1970 Systematically Dismantle Middle-Class Mobility?
C0016SEC Rule 10b-18 adoption正確と確認済み
The SEC adopted Rule 10b-18 on November 26, 1982, establishing a safe harbor for corporate stock repurchases at 47 Fed. Reg. 53333.
推論重要度: 低Claude
エビデンスの矛盾0
エビデンスの矛盾はありません。
Claims support0
No claims are supported by claims on another map.
It remains unresolved whether macroeconomic growth policies can realistically revive upward mobility given acute demographic stagnation and fertility decline.
M1Was the Mid-Century American Dream an Unrepeatable Geopolitical Fluke?
C0039Falling fertility and cohort size正確と確認済み
The US total fertility rate fell to 1.6 by 2024, leaving the 20–29 birth cohort smaller than the 60–69 birth cohort and constraining future labor-force growth.
推論重要度: 低Grok
M2Did Policy Choices After 1970 Systematically Dismantle Middle-Class Mobility?
C0004Growth needed for mobility正確と確認済み
Returning to 1940s absolute mobility rates through economic growth alone would require real GDP growth rates exceeding 6% per year.
情報源リンク付き重要度: 低Claude
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