The Credit Suisse Research Institute is proud to publish the 2018 edition of the GlobalInvestment Returns Yearbook. The Yearbook is produced by Elroy Dimson, Paul Marsh andMike Staunton of London Business School, recognized as the leading authorities on theanalysis of the long-run performance and trends of stocks, bonds, Treasury bills (cash), inflationand currencies. With its 118 years of financial history, this annual study remains not onlythe most comprehensive of sources for the analysis of historic investment returns, but also alens through which to gain perspective on the here and now. This is of heightened relevanceas we begin 2018 with volatility returning to markets and investors re-examining the factorsthat have driven markets in the post financial crisis world. This publication is a summaryversion of the full Credit Suisse Global Investment Returns Yearbook 2018.