a) What do you understand by equilibrium National Income and to what extent is economic growth beneficial to an economy?

b) Explain using both diagrams and mathematical tools, why a 20% increase in investment leads to a higher percentage increase in National Income?

c) The best way to allocate scarce resources is by treating consumers as "kings". Discuss.

d) Differentiate between public and merit goods and explain using concrete examples, why the provision of both types of goods, needs government intervention.