Government expenditure has historically served multiple purposes, ranging from controlling aggregate demand in the economy to maintaining revenue of government services. Government expenditure is also an important tool in influencing various market outcomes. In short, government expenditure can be used to promote economic and social growth, or to retard it.
Public spending is made up of three categories: current (day-to-day) expenditure, investment (capital) expenditure, and transfer payments. Current expenditure covers spending on services and transactions, including the cost of wages and salaries, goods and services, and capital investments. Investment (capital) expenditure covers the purchase of goods and services, public works, and new capital. Transfer payments are payments made by the government that do not involve a purchase of goods and services, such as social welfare payments, pensions, and student grants.
The proportion of government expenditure that falls into each of these categories varies depending on the country and the stage of economic development. Current expenditure usually makes up the bulk of government expenditure in developed countries, while in developing countries investments and transfer payments tend to be larger components.
Overall, the structure of public expenditure depends largely on the economic, political, and social objectives of a country. In the case of developed economies, public spending is often balanced between development and social spending. The majority of spending is generally directed towards current expenditure, with the remainder allocated for investment and transfer payments. Investment spending is generally used to finance infrastructure and other long-term projects. Transfer payments, such as welfare and pensions, are often directed towards poverty reduction and the provision of a safety net for vulnerable groups.
In developing countries, public expenditure often has to be more targeted, taking into account the need to reduce poverty and improve health, education, and other social services. Governments in these countries often have limited access to capital, and as a result, they have to rely heavily on current expenditure. Investment and transfer payments are likely to make up a larger percentage of public expenditure in these countries. In order to reduce poverty, governments in developing countries often make transfers to individuals, usually in the form of cash payments. This has become increasingly common in recent years, particularly in Africa.
The structure of public expenditure can have a significant impact on economic growth, as well as the ability of governments to meet their development goals. Developing countries in particular, often have to be very cautious when allocating resources to ensure the right balance between current expenditure and investment, in order to achieve sustainable economic growth.