Koijen, Ralph S. J. and Yogo, Motohiro, An Equilibrium Model of Institutional Demand and Asset Prices (December 12, 2014). Available for download at SSRN: http://ssrn.com/abstract=2537559

“We develop an asset pricing model with rich heterogeneity in asset demand across investors, designed to match institutional holdings data. The equilibrium price vector is uniquely determined by market clearing, which equates the supply of each asset to aggregate demand. We estimate the model on U.S. stock market data by instrumental variables, under an identifying assumption that allows for price impact. The model sheds light on the role of institutions in stock market liquidity, volatility, and predictability. We also relate our model to consumption-based asset pricing and Fama-MacBeth regressions.”