A budget deficit occurs when:

Expenditures exceed revenue
Revenues exceed expenditures
Revenues equal expenditures
The budget is not presented on time

A budget deficit occurs when expenditures exceed revenue. This means that the government is spending more money than it is taking in through taxes and other sources of revenue. A budget deficit can be caused by a number of factors, including economic recession, increased spending on social programs, or tax cuts.

A budget deficit can have a number of negative consequences, including higher interest rates, inflation, and a decrease in the value of the currency. It can also lead to a decrease in government investment in infrastructure and other important programs.

There are a number of ways to reduce a budget deficit, including raising taxes, cutting spending, or both. However, these measures can be unpopular and difficult to implement.

In conclusion, a budget deficit occurs when expenditures exceed revenue. This can have a number of negative consequences, and there are a number of ways to reduce it. However, these measures can be unpopular and difficult to implement.

Here is a brief explanation of each option:

  • Expenditures exceed revenue: This is the definition of a budget deficit.
  • Revenues exceed expenditures: This is the definition of a budget surplus.
  • Revenues equal expenditures: This is the definition of a balanced budget.
  • The budget is not presented on time: This is not a factor that contributes to a budget deficit.