The principal–agent problem arises when agents possess more information than principals and have different incentives, leading to shirking or divergent actions.

Governance denotes a broader, networked mode of public decision-making involving both state and non-state actors, unlike traditional hierarchical government.

Agenda setting is the initial stage where problems are recognized and selected for government attention, preceding formulation and implementation.

Gender budgeting integrates gender equity into budgeting to ensure resources are allocated in ways that address differential needs and impacts.

National defense is non-excludable and non-rivalrous, meeting the criteria of a pure public good, unlike the other examples.

WWI expanded state intervention and led to increased attention to social welfare, including pensions and public health reforms, though full welfare systems developed gradually afterward.

Cromwell led the Parliamentarians in the Civil War, oversaw the execution of Charles I, and ruled as Lord Protector during the republican Protectorate.

Pakistan Railways' central administration and headquarters are located in Lahore.

A tax system combines tax policy (the rules and rates) with revenue administration (the collection and enforcement arm) to raise taxes.

Taxes are the government's most important source of revenue because they provide the regular public funds needed to finance services and budgets.