Introduction : from business-cycle measurement to macroeconomic theory -- Aggregate demand-- Aggregate supply-- AS-AD equilibrium and the propagation of macroeconomic shocks -- Unemployment fluctuations -- Monetary policy -- Fiscal policy -- The liquidity trap -- Unconventional monetary policies...

Debt in service of the state -- States and the limits of borrowing -- Democratization and globalization -- Caveat emptor -- Managing problem debts -- Successful consolidation -- Warfare to welfare -- Cycles of debt -- Oil and water -- Missed opportunities -- Debt to the rescue -- COVID-19.