Long-term relationships between business firms and investment banks are pervasive in developed security markets and there is evidence that better monitoring and information result from these relationships. Therefore, security markets should allocate resources better when an investment banking industry exists. We study the necessary conditions for the emergence of sustainable relationships and explore whether policy
In this paper a model based on conflicts of interest between shareholders, the CEO and divisional managers is developed to explain why corporate diversification is good for some firms and bad for others.It is shown that when the decision to diversify is endogenous, whether diversification destroys value depends on the severity of con‡icts of interests