Market Efficiency and Return Statistics: Evidence from Real Estate and Stock Markets Using a Present‐Value Approach

Abstract

This paper develops a methodology to identify asset price response to news in the framework of the Campbell–Shiller log‐linear present‐value equation. We further show that a slow price adjustment in real estate markets not only induces a high serial autocorrelation in excess returns, but also dampens the return volatility and the correlation with excess returns in other asset markets. Using Hong Kong real estate and stock market data, we find that the quarterly real estate price assimilates only about half the effect of market news, whereas the quarterly stock price incorporates the news fully. Our analysis identifies a cumulative price adjustment that recovers lost information in real estate returns due to market inefficiency and thereby restores the real estate return volatility and the correlation between real estate and stock markets.

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