This paper tests for the presence of herding on the New York Stock Exchange (NYSE). We measure the degree of herding from 1998-2001, the “bubble” period and its collapse. We estimate the incidence of herding by applying a test of serial independence in the observed interarrival times of...

Economic models are almost exclusively static. The models describe equilibrium, but do not tell us the path taken to reach the equilibrium. By contrast, the model of asset pricing presented here is rarely in equilibrium; when equilibrium is reached, random forces perturb the price system away...

Much research has demonstrated the existence of patterns in high-frequency equity returns, return volatility, bid-ask spreads and trading volume. In this paper, we employ a new test for detecting periodicities based on a signal coherence function. The technique is applied to the returns, bid-ask...