Leniency program was firstly established in 1978 by US Department of Justice. Currently, there are approximately twenty countries have formulated leniency program. Leniency program in most of the countries are aiming for lowering cost of implementation and raising efficiency by partners exposing misconduct in monopoly organization. However, different countries have different provision of leniency program, e.g. subject of leniency program, enforcing organizations, applying condition. The leniency policy has also been regulated in the Anti-monopo...