please deeply explain in short summary

4. (a) (i) State and explain two economic characteristics of enterprise as a factor of production. Explain the importance of profits in a market economy. (b) (i) Distinguish between the terms capital and investment as used by economists. (ii) Discuss the case for and against the Government investing in Ireland's railways. (c) (i) State and explain the three motives put forward by John Maynard Keynes for holding assets in the form of cash. (ii) Outline one main influence on each motive. 5. (a) Outline three factors that limit the ability of banks to create credit. ( ii) Discuss the economic reasons why the financial system in Ireland should be regulated (b) In January 2015, the Central Bank of Ireland (CBI) introduced restrictions on residential mortgage lending (bigger deposit requirement for mortgage loans and upper limits on borrowing based on income). State and explain the possible economic impacts of these restrictions on the Irish property market (c) The Strategic Banking Corporation of Ireland (SBCI) was set up to support SMEs (small and medium enterprises) by providing finance under favourable terms (e.g. lower cost credit). Discuss the possible economic benefits of increased access to funding for the SME sector in Ireland.QUESTION 5: MICROECONOMICS Discuss, with the aid of graphs, the individual business in a perfect market under the following headings: - Derivation of the demand curve (10 marks) - Economic profit (8 marks) - Economic loss (8 marks) Evaluate the effect of free entry and exit into the market on the equilibrium position from chart run to long run in a perfect market QUESTION 6: CONTEMPORARY ECONOMIC ISSUES 40 MARKS - 40 MINUTES Explain in detail the characteristics of monopolistic competition. How would competitors in monopolistic competition ensure their operational success in the market