Which one of the following is most likely to be classified as a direct supply-side policy instrument used by a government to increase the productive potential of an economy?
A rise in the proportion of school leavers entering science, technology, engineering, and mathematics (STEM) degrees
Direct government investment in national high-speed fiber-optic telecommunications infrastructure
An increase in the volume of business investment financed by commercial bank loans
A reduction in unit labour costs due to voluntary wage restraint by trade unions
245 exam-style questions on AQA A Level Economics 2.5 Fiscal policy and supply-side policies, covering 2.5.1 Fiscal policy and 2.5.2 Supply-side policies. Each one has a worked solution and a mark scheme showing where the marks go.