4 Similarly, a minimum balance at risk, which would be available for redemption only with a time delay, could provide some protection to investors who do not run by sharing the costs of early redemptions with those who do. Capital buffers can provide dedicated resources within or alongside a fund to absorb losses and reduce the incentive for investors to exit the fund early.
Firms that are highly productive – so-called ‘superstar firms’ – tend to grow faster, grow employment faster, and pay better than firms that are a long way from the frontier of productivity (Autor do show that better firms do offer better jobs. et al 2017). So the data  But there is a concern here.