Pi-Econ

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    Molecular Transition to a Regenerative Economy from Linear Fossil Fuel Systems

    ByElmer Hall

    Why sustainability requires redesigning industrial systems — not just replacing energy sources The defining sustainability challenge of the 21st century is not merely an energy transition — it is the molecular transition to a regenerative economy. Fossil fuels have shaped not only how societies generate power, but how industrial systems produce materials, infrastructure, and essential…

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    When the Metric Changes but the Label Doesn’t

    ByElmer Hall

    School Performance Rating and the future of educational signal clarity School Performance Rating is the term we should be using to describe today’s composite school accountability grades. Florida officially refers to its A–F classifications as “School Grades,” but the underlying construct has evolved from a mastery-centered model to a multidimensional institutional performance system. Originally: A…

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    The Fiscal Scissors: Structural Pressure Points in the U.S. Economy

    ByElmer Hall

    The United States faces what we describe as a “Fiscal Scissors” dynamic — a widening structural gap between the growth rate of federal U.S. debt 2026 and the growth rate of the productive economy. This divergence does not emerge from a single fiscal year anomaly; it reflects a compounding trajectory that shapes long-term policy constraints….

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    Beyond Carbon: How Rotary Can Measure What Truly Matters

    BySustainMe

    A practical, human-centered sustainability framework for Smart Rotary ClubsWhile carbon accounting remains important, Rotary’s most powerful sustainability contributions are human-centered—and require a broader way of measuring what truly matters. Sustainability discussions in Rotary increasingly begin with carbon footprints—and often stall there. Carbon accounting, net-zero aspirations, and offsets are important tools, but they are not sufficient…

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    Betting the Planet: A Deep-Dive into the Statistical Truths of Global Warming

    BySustainMe

    Empirical Testing, Statistical Errors, and the Hidden Hockey Stick: A Scenario Analysis Global warming scenarios are not debates about belief; they are high-stakes decisions under uncertainty. In the very first sentence, the wager must be clear: humanity is betting the planet on which statistical error it can afford to make. This article examines climate change…

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    Public Investment vs Tax Cuts: Competing Paths to Productivity

    ByElmer Hall

    How infrastructure-led growth and supply-side economics shape long-term productivity Public investment vs tax cuts remains one of the most consequential economic debates of the past decade, particularly when evaluated through the lens of productivity rather than short-term GDP growth. As argued in the related analysis, 3Q25 GDP: Half Full, Half Empty — and Still Missing…