A government-backed initiative to install a high-capacity fibre-optic broadband network across rural regions requires an initial capital injection of £5.8 billion.
The total cumulative increase in the nation's Gross Domestic Product (GDP) resulting from this infrastructure investment is projected to be £26.1 billion.
Calculate the value of the multiplier for this investment. You should show your working.
75 exam-style questions on Edexcel A A Level Economics 2.4 National income, covering 2.4.1 National income, 2.4.2 Injections and withdrawals, 2.4.3 Equilibrium levels of real national output, and 2.4.4 The multiplier. Each one has a worked solution and a mark scheme showing where the marks go.