Expansionary fiscal policy can lead to higher government budget deficits and total debt, potentially requiring cuts in government spending or increases in taxation
Higher government debt from expansionary fiscal policy comes with an opportunity cost in the form of paying debt interest, which could have been used more productively in the economy
Crowding out effect occurs when government borrowing increases demand for loanable funds, leading to higher interest rates and potentially crowding out private sector investment
Problems with expansionary fiscal policy include macro objective trade-offs such as higher demand-pull inflation, potential conflict of macro objectives, and widening current account deficit
Ricardian equivalence theory suggests that if households anticipate future tax rises due to expansionary fiscal policy, they may save any tax cuts received, reducing the boost to the economy
Government spending may lead to X inefficiency and excess costs due to lack of profit motive and potential wasteful spending in infrastructure projects or government organizations