Ethical behaviour and professionalism are cherished values in public service. Public officials, including politicians, are expected to demonstrate them in discharging their official duties. However, in many developing countries these values are honoured more in their breach than observance. Public sector corruption occurs when politicians and / or public servants improperly and unlawfully enrich themselves or those close to them by misusing the public power entrusted to them. Corruption has economic, political, and social costs. It is not an issue that is exclusively, or even primarily, a problem of developing countries. In fact, ethics and corruption are challenges not only for many emerging economies, but also for many countries in the rich world. However, nowhere are the effects of corruption more devastating than in developing countries. It is devastating for the public sectors of many African countries, robbing them of their int