The Kyle (1985) model is extended to take into account market maker competition and the spread. It is shown that with a spread the Kyle model has a Nash equilibrium also with two market makers, not only with three or more, as shown in earlier research. The spread is endogenized, and two testable...

Whether lower stock price synchronicity reflects information or noise does not have a conclusive answer yet. From the perspective of analyst following in China, our empirical study reveals that, the stock price synchronicity which star analysts following is lower than that of non-star analysts,...

In this paper, I relax the common assumption of the one-dimensionality of noise made in the standard competitive noisy rational expectations framework. Within an environment characterized by multidimensional noise, I explore the strategic interactions between different traders that are informed...

We develop and implement a new measure of information asymmetry among traders. Our measure is based on the intuition that informed traders are more likely than uninformed traders to generate abnormal volume in options or stock markets. We formalize this intuition theoretically and compute the...

We study China's flagship option market, Shanghai Stock Exchange (SSE) 50 ETF option market, and the information content of trading volume using a proprietary dataset. We find that open buy put-call ratio, defined as put volume over the sum of put and call volumes, of financial institutional...

We replicate and extend the methodology of Grinblatt and Keloharju (2000) to find that foreign institutional investors in Finland no longer achieve superior performance. This is despite their persistence in adopting ‘positive-feedback' trading strategies. We find that individuals and...