The basics of Real GDP growth from first principles Real GDP measures the inflation-adjusted value of all goods and services produced in an economy. Its growth comes from three sources (the Solow growth accounting identity): More labor (hours worked or workers). More capital (machines, buildings, infrastructure). Higher productivity (total factor productivity, or TFP—output per unit ...

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https://www.nextbigfuture.com/2026/02/first-principles-gdp-real-gdp-growth-via-massive-investment.html