Nonfinancial corporate margins have increased

Profit margin for nonfinancial corporations, 1974–2020

Source: Federal Reserve Bank of St. Louis, "Profit per unit of real gross value added of nonfinancial corporate business: Corporate profits with IVA and CCAdj (unit profits from current production)," available at https://fred.stlouisfed.org/series/A463RD3Q052SBEA (last accessed July 2021); Federal Reserve Bank of St. Louis, "Price per unit of real gross value added of nonfinancial corporate business," available at https://fred.stlouisfed.org/series/A455RD3Q052SBEA (last accessed July 2021).
Chart: Center for American Progress