We study the efficiency of internal capital markets at state-controlled and privately owned business groups in China. Using highly granular data on within-group capital flows, we document stark differences: while private groups allocate more capital to units with better investment opportunities,...

We study empirically the effect of focus (specialization) versus diversification on the return and the risk of banks using data from 105 Italian banks over the period 1993–99. Specifically, we analyse the trade-offs between (loan portfolio) focus and diversification using a unique data set...