Optimal fiscal policy boosts economy and sustains growth over business cycle.
The article discusses how governments should manage taxes and spending during economic ups and downs. They found that in an ideal scenario, taxes, spending, and surpluses should be set at certain levels to maximize benefits for households. When governments commit to a plan, they should keep taxes and spending steady as a fraction of production. If they don't commit, they can still maintain a good balance by threatening to switch strategies.