Deficit spending is a policy used by governments to stimulate economic growth through greater spending. It is the practice by which a government spends more money than it takes in as revenue through taxes, fees, and other sources of income. Deficit spending is done for various reasons, primarily in an effort to fight unemployment, respond to humanitarian needs, or stimulate economic growth. Generally, this is achieved by borrowing money from other governments, foreign entities, or from their own citizens.

The practice of deficit spending was first proposed by British economist John Maynard Keynes in 1936. He proposed the idea of running a budget deficit during times of economic recession in order to stimulate the economy. According to Keynes, this deficit spending would put money into circulation, increasing the aggregate demand and providing business owners with the necessary resources to shift production and increase employment.

While some economists generally agree with Keynes’ theory of deficit spending, others are more wary of its use. Opponents of deficit spending are concerned with the potential for long-term debt, which can strain a government’s capacity to finance itself. This is often seen in cases where a government takes on large budget deficits in an effort to stimulate the economy, but fails to manage its public debt afterward, which can cause an economic crisis down the line.

Deficit spending is an important tool in helping governments balance their economies, but it needs to be managed responsibly. If used correctly, deficit spending can be a viable option for stimulating the economy and helping countries maintain healthy levels of economic growth.