Fiscal policy measures imply a change in

Fiscal policy measures refer to the use of government revenue and expenditure to regulate the economy. In other words, fiscal policy involves the use of government spending and taxation to influence the level of aggregate demand in the economy. This can include changes in government spending on public goods and services, transfer payments, subsidies, and taxation. By changing these variables, the government can attempt to stimulate economic growth, reduce inflation, and stabilize the economy. Therefore, the correct answer is "government revenue and expenditure to regulate an economy".