6Delfgaauw J,Dur R.Incentives and Workers'Motivation in the Public Sector[J].The Economic Journal,2008:171-191.
7Benz M.Not for the profit,but for the satisfaction?--Evidence on worker well-being in non-Profit firms[J].Kyklos,2005(2):155-176.
8Shirley M M,Xu L C.Information,Incentives,and Commitment:An Empirical Analysis of Contracts between Government and State Enterprises[J].Journal of Law,Economics & Organization,1998(14):67-84.