The paper analyses the effects of income concentration on the behaviour of a duopoly with vertical product …

The weak empirical evidence linking diversification and international equity flows calls into question the … diversification paradigm at the international level and the analytical framework it implies. Using a novel measure of diversification … the role that diversification opportunities play in the determination of international equity flows. Using the concept of …

The aim of this paper is to shed new light on the concept of diversification showing that it is not necessarily related … to the reduction of the volatility of a portfolio, as it is commonly perceived. We introduce a diversification index that … exploits the decomposition of portfolio volatility into undiversified volatility and a diversification component. The …

measurement of inequality, concentration, and diversification into one system, where diversification is measured as the inverse of …. The Tideman-Hall concentration index also provides indexes of concentration, diversification and inequality as functions …