Answer the following questions related to Business Ethics from the documentary "Inside Job":

1. What benefits and /or ethical issues are derived from the exchange of employees between the private and government sectors?
2. Should individuals working as financial regulators be allowed to leave their positions for more lucrative positions in the financial services industry?
3. What ethical issues can result from a conflict of interest and how they may be alleviated?
4. What different types of the conflicts of interest are highlighted in the film?

Note: The asked questions will be answered from the documentary "Inside Job:.