Deficits, Surpluses, and Balanced Budgets

What this means

The definitions are arithmetic. In a given fiscal year, add up everything the federal government takes in and everything it pays out. If outlays exceed receipts, that year ran a budget deficitThe amount by which a government's expenditures exceed its revenues in a single year.. If receipts exceed outlays, it ran a budget surplusThe amount by which a government's revenues exceed its expenditures in a single year.. If they are equal, the budget was balancedA budget in which revenues and expenditures are equal for the year..

The vocabulary is easy and the trap is immediate. A deficit is a flow measured over one year, like the water running into a bathtub during an hour. The national debtThe accumulated total of all past deficits minus all past surpluses; the amount the government owes. is a stock, the water in the tub. Reducing the deficit slows the filling; it does not drain anything. A country can cut its deficit substantially and still see its debt grow, and that statement confuses people constantly because it sounds contradictory and is not.

The second essential idea is that the deficit moves on its own with the business cycle, and this follows directly from earlier benchmarks in this standard. When the economy expands, employment and wages rise, so income and payroll tax receipts rise at unchanged rates. Simultaneously, fewer people qualify for unemployment benefits and other hardship programs, so that spending falls. Revenue up, spending down, deficit narrower. When the economy contracts, all of it reverses and the deficit widens, again with nobody voting on anything.

These are the automatic stabilizersFeatures of the tax and transfer system that automatically expand the deficit in downturns and shrink it in expansions without new legislation., and they are not an accident. Sending more money out and collecting less during a downturn cushions the fall in total spending, which is stabilizing. The deficit widening in a recession is partly the system working as designed.

That leads to the distinction professionals rely on. The cyclical deficitThe part of the deficit caused by the economy operating below or above its normal capacity. is the portion attributable to current economic conditions, and it disappears on its own when the economy recovers. The structural deficitThe part of the deficit that would remain even if the economy were operating at normal capacity. is what would remain at normal employment, reflecting the underlying gap between what the government has committed to spend and what its tax system collects. The two require completely different responses, and treating them as the same thing produces bad analysis in both directions.

Why it matters

Deficit numbers appear in the news constantly, usually without any indication of whether the change reflects the business cycle or a policy decision. A deficit that widens during a recession and a deficit that widens during a boom mean very different things, and only one of them is evidence about policy choices.

The judgment question, whether a given deficit is a problem, genuinely divides economists. Some emphasize that borrowing costs constrain future budgets and shift obligations onto later taxpayers. Others emphasize that borrowing to fund productive investment or to stabilize a recession can leave a country better off than austerity would have. What both sides share is the accounting and the cyclical logic. That is what this benchmark asks you to know, and knowing it is what lets you evaluate the arguments rather than pick a team.

Try it

1. Write the three definitions precisely, using the words revenues and expenditures. Then write a single sentence distinguishing a deficit from the national debt, using the words flow and stock.
2. Do the arithmetic. Given hypothetical figures for revenues and outlays across five years, calculate each year's deficit or surplus, then calculate the cumulative change in debt over the five years. Include at least one surplus year so the cumulative total is not a simple sum.
3. Get the real data. From the Congressional Budget Office, retrieve federal revenues, outlays, and the deficit or surplus for the last twenty-five years.
4. Overlay the recessions. Using NBER recession dates, mark recession years on your data. Describe what happens to the deficit in each recession year and in the two years following.
5. Decompose the movement. For one recession, separate the deficit change into the revenue side and the spending side. Determine which contributed more, and explain the mechanism for each.
6. Reason through an expansion. The economy grows strongly for three years with no change in tax law or spending law. Predict what happens to the deficit and explain the mechanism on both the revenue and spending sides.
7. Distinguish cyclical from structural. Explain how you would tell whether a deficit reduction happened because the economy improved or because policy changed. State what data you would need.
8. Investigate the surplus years. Find the late 1990s federal surpluses and identify the contributing factors, which include economic growth, tax legislation, and spending restraint. Determine how much of it was cyclical.
9. Evaluate a proposal. Some have proposed requiring the federal budget to be balanced every year. Using what you established in steps 4 through 6, explain what such a rule would require a government to do during a recession, and identify the consequences for output and employment. Then state the strongest argument in favor of such a rule, which concerns the long-run discipline of the budget process.
10. Write a paragraph a well-informed adult could use: what a deficit is, what makes it move, and what question to ask before concluding that a change in the deficit reflects a policy decision.

Check yourself