Most of the market microstructure literature has focused on the liquidity of individual securities, whereas most of the asset pricing literature has focused on the association between systematic risk and return. We document the presence of a systematic, time-varying component of liquidity. At...

I survey and assess the development of continuous-time methods in finance during the last 30 years. The subperiod 1969 to 1980 saw a dizzying pace of development with seminal ideas in derivatives securities pricing, term structure theory, asset pricing, and optimal consumption and portfolio...