CAPM, APT: treat securities at a high level of abstraction, assuming implicitly that a prior, detailed analysis of each security already had been performed, and that its risk and return features had been assessed.Specific analyses of particular security markets: valuation principles, determinants of risk and return, portfolio strategies commonly used within and across the various markets
固定收益证券Promise either a fixed stream of income or a stream of income that is determined according to a specif ...