Between rising interest rates, an ageing population and massive rearmament needs, the budgetary equation for advanced economies is becoming increasingly complex. Why is debt continuing to grow in the United States and France, while it is falling in Spain and Italy? How does Germany intend to finance its infrastructure and defence without jeopardising its budgetary stability?In this new episode of En Eco dans le texte, Stéphane Colliac, Marianne Mueller and Benjamin Puiseux explain the inner workings of public debt. They also explore reasons for optimism: from the impact of artificial intelligence on productivity to reforms in the employment rate of senior citizens