A macroeconomic concept that postulates that when a government runs a budget deficit, households and firms will respond by increasing their level of savings. This behavior allows the aggregate savings of an economy to remain unchanged.

Investopedia Says:
Under the Ricardo-Barro theory, the government is likely to increase taxes in the future in order to repay the money being borrowed to finance a current budget deficit. As a result, households and firms will increase their current level of savings in order to afford to pay higher taxes in the future.

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