Discount rates
Joural of Finance 66, 1047-1108 (August 2011). The video (including gracious roast by Raghu Rajan). The slides. Data and programs (zip file).
My American Finance Association Presidential Address. Discount rate variation (equivalently expected returns, risk premiums) are now at the center of asset pricing questions, from bubbles to the nature of the crash. I survey theory and empirical work, and offer some hope that "macro" theories are relevant to big recent events. It's an article, and extends some of the other themes here.