Dual trading is the practice whereby futures floor traders execute trades both for their own and customers' accounts on the same day. We provide evidence, in the context of restrictions on dual trading, that aggregate liquidity measures, such as the average bid-ask spread, may be misleading...

We investigate, both theoretically and empirically, the relation between the adverse selection and fixed costs of trading and the number of informed traders in a financial asset. As a proxy for informed traders, we use dual traders -- i.e., futures floor traders who execute trades both for their...

We study the effect of restrictions on dual trading in futures contracts. Previous studies have found that dual trading restrictions can have a positive, negative, or neutral effect on market liquidity. In this paper, we propose that trader heterogeneity may explain these conflicting results. We...

This paper investigates the market reactions to regulator-initiated (mandatory) suspension and issuer-initiated (voluntary) suspension on the Stock Exchange of Hong Kong. It is found that there is substantial devaluation of the stocks during either suspension, and both the variance and trading...