What are the main objectives of reward management systems and how has best practice influenced the development of them? 

Think about the extent to which these are fair and ethical especially from a gendered perspective and what sort of behaviour they drive? Here visit French and Raven (1985) work on reward power. You may also wish to look at Tourish (2013) dark side of transformational leadership where he reviews how reward power at Enron drove unethical behaviour and that of Rhodes and Bloom (2018) CEO society. More broadly consider the economic, psychological and motivational consequence of reward management systems