"The acceleration of productivity growth during the latter half of the 1990s was both the defining economic event of the decade and a major topic of debate among Federal Reserve policymakers. A key aspect of the debate was the conflict between incoming aggregate data, which initially suggested...

"Campbell and Vuolteenaho (2004) and Brennan, Wang, and Xia (2004) recently argue that the value premium co-moves with investment opportunities and thus reflects rational pricing. This paper extends their analysis by showing that the ICAPM interpretation of the value premium also sheds light on...