Equilibrium Wealth Share Dynamics
Social Science Research Network(2017)
Abstract
We empirically show across several broad asset classes that sectoral wealth shares do not positively correlate with their risk premia---a first-order prediction of canonical equilibrium models. We then analyze the roles mean-variance and hedging demand play in accounting for sectoral shifts within a two-sector production economy that features imperfect substitutability across goods and demand shocks. With these two features, the modelu0027s performance improves, yet still unsatisfactorily accounts for sectoral shifts in wealth shares. We argue that equilibrium models thus face a challenge to explain the cross-sectional evolution of wealth shares and investorsu0027 incentives to hold them over time.
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