How do you answer parts 5 and 8 thanks

answer. 4. Is open space a public good? Clarify why the market is unlikely to provide the socially optimal level of open space. 5. What is the effect on GDP if the government spends $100 million on new roads? Would your answer be the same in the case of an extra $100 million spent on old age pensions? Why, or why not? 6. Show the effect on the LM curve if the central bank sells $100 million of new government bonds to finance a f100 million increase in government spending. 7. What is 'crowding out'? Explain why it occurs. 8. Why does unemployment matter? Section B: Answer at least ONE question 9. The government of country X introduces policies aimed at increasing competition in the production of goods and services. At the same time it