Volume and the Nonlinear Dynamics of Stock Returns

Contents 1 Introduction 1 7 2 Efficient Stock Markets Equilibrium Models of Asset Pricing 8 2. 2 Lucas' Consumption Based Asset Pricing Model 9 2. 2 Econometric Tests of the Efficient Market Hypothesis 13 2. 2 Volatility Tests Time-Varying Expected Returns 25 2. 2 The No-Trad Result of the BEO Model 34 A Model with Nontradable Asset 37 3.