A balanced budget (particularly that of a government) is a budget in which are equal to expenditures. Thus, neither a budget deficit nor a budget surplus exists (the accounts "balance"). More generally, it is a budget that has no budget deficit, but could possibly have a budget surplus. A cyclically balanced budget is a budget that is not necessarily balanced year-to-year but is balanced over the economic cycle, running a surplus in boom years and running a deficit in lean years, with these offsetting over time.
Balanced budgets and the associated topic of budget deficits are a contentious point within academic economics and within politics. Some economists argue that moving from a budget deficit to a balanced budget decreases interest rates, increases investment, shrinks trade deficits and helps the economy grow faster in the longer term. Other economists, especially (but not limited to) those associated with Modern Monetary Theory (MMT), downplay the need for balanced budgets among countries that have the power to issue their own currency, and argue that government spending helps boost productivity, innovation and savings in the private sector.
Alternative currents in the mainstream and branches of heterodox economics argue differently, with some arguing that budget deficits are always harmful, and others arguing that budget deficits are not only beneficial, but also necessary.
Schools which often argue against the effectiveness of budget deficits as cyclical tools include the freshwater school of mainstream economics and neoclassical economics more generally, and the Austrian school of economics. Budget deficits are argued to be necessary by some within post-Keynesian economics, notably the chartalist school:
Budget deficits can be calculated by subtracting the total planned expenditure from the total available budget. This will then show either a budget deficit (a negative difference) or a budget surplus (a positive difference).
A monetary sovereign is a country which:
Because such a country can issue its own currency, it can never run out of that currency and does not need to increase revenues in order to increase expenditure. Thus, the only constraint on expenditures is the inflation which it may generate if the economy is making full use of its capital and labour.. MMT advocates therefore argue for that budget deficits should be used to achieve full employment through a government employment program called a 'Job guarantee'. This is based on the view that a government deficit creates a 'private sector surplus' by increasing incomes and creating savings.
The last time that the budget was balanced or had a surplus was the 2001 United States federal budget, under 42nd President Bill Clinton.
Numerous sources have stated that as of 2023, a balanced budget is no longer possible without massive reductions in spending by the United States federal government according to the Congressional Budget Office and several independent sources. Extreme spending reductions on numerous entitlements would also not likely be popular, even if such cuts would be sufficient to bring a balanced budget to the United States, "Federal debt will rise from 98 percent of GDP in 2023 to 181 percent in 2053."
Since 1980, there have been only six years in which a budget surplus has been delivered: twice when the Conservatives' John Major was Chancellor of the Exchequer, in 1988 and 1989, and four times when Labour's Gordon Brown was Chancellor, in 1998, 1999, 2000 and 2001.
where I is exogenous physical investment and NX is net exports. Using the first equation in the second one yields the following solution for Y:
and taking differences of the variables and setting and we have
Then dividing through by gives the balanced budget multiplier as
This is named the Trygve Haavelmo theorem which demonstrates that the balanced budget multiplier rises its maximum value when any increase of the public spending is corresponded by an equal increase of the fiscal imposition , so as to avoid a higher level of public debt. The deficit spending, that is the growth of public spending without an equal amount of monetary entrance into the State Treasury, is always a less efficient political choice in order to speed up the GNP.
However, the balanced budget is made smaller when resulting changes in the interest rate change investment spending and money demand and when resulting changes in the price level affect money demand.
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