The writer is president of Queens’ College, Cambridge university, and adviser to Allianz and Gramercy
For many years, the operational simplicity of positioning investment portfolios has contrasted sharply with the complexity of national and global economic outlooks.
By getting the central bank policy call right and simply overweighting index products, investors profited substantially from both stock and bond investments. Meanwhile, economists struggled to predict even basic economic variables such as growth and inflation.
您已閱讀11%（525字），剩余89%（4154字）包含更多重要信息，訂閱以繼續(xù)探索完整內(nèi)容，并享受更多專(zhuān)屬服務(wù)。