Test and practice of the efficiency of rural public goods. Test and practice of the efficiency of rural public goods 并列题名：Test and practice of the efficiency of rural public goods Theory and practice of the integration of urban and rural public services Private provision of rural public goods Cost sharing and welfare effect evaluation of rural public goods 并列题名：Theory and practice of the integration of urban and rural public services On provision standard of rural public goods Study on chinese government supply of rural public goods Theory and practice of the low efficiency water conservation forests renewal