"The Centre for International Social Security Studies (CISS) at Chinese Academy of Social Scieneses (CASS) ‐‐ En la cubierta Contenido: [Preface / Li Yang. Main report. Regional imbalances and financial sustainability of China´s pension fund. Report I Evaluation on Coverage of Urban‐Rural Basic Pension Scheme in 2011. Report II Evaluation on Operation State of Urban & Rural Basic Pension Funds in 2011. Report III Assessment of 2011 Enterprise Annuity Fund Market. Report IV Management of National Social Security Fund Investment in 2011. Report V The Parametric Analysis for the Deficit of Basic Pension Fund of Urban Employees In some Provinces. Report VI The Reason and Solution for Geographic Gap of Basic Pension Fund of urban Employees. Report VII China Pension Development Index 2011. Reportt VIII Expand the Investment channels of Enterprise annuity fund further]