“…This not only addresses the Goyal and Welch (2008) critique and significantly revises upward the degree of return predictability relative to the existing literature, but also lends support to the view that both investors' aversion to long-run risks and their learning about these risks play important roles in determining asset prices and expected returns. 3,4 To study the effect of learning about dividend dynamics on stock index prices and expected returns, we first need a dividend model that is able to realistically and Koijen (2010), Chen, Da, and Zhao (2013), Kelly and Pruitt (2013), van Binsbergen et al (2013), Li, Ng, and Swaminathan (2013), Da, Jagannathan, and Shen (2014), and Martin (2017). 2 Instead of learning, an alternative approach that researchers have used is to introduce preference shocks.…”