.STATE whether the statement is True or False or Uncertain. EXPLAIN in detail.

1.According to wealth substitution effect, private saving increases due to social security taxes.

2.Government's health care program can solve both moral hazard and adverse selection problems.

3.The only reason why countries have social security is to improve the economic status of the aged.

4.As education is a private good, government should not provide it.

5.Individuals always prefer cash-transfers to in-kind transfers.