In the absence of market imperfections, the mutuality principle leads to efficient risk sharing and the Pareto optimal asset allocations. With market imperfections such as transaction costs and information asymmetry, risk-sharing becomes costly, and it can even lead to financial crises. We...

We collect compensation policy data from 60 Chinese mutual fund companies, which covers 88% of assets under management by all active stock and stock-oriented hybrid mutual funds in China. Using the collected data, we investigate the portfolio pumping from a performance-based perspective. We find...