They improve the quality of the prices on the exchanges by lowering the bid-ask spread.
它们通过降低买卖价差改善了交易所的价格质量。
The difference between bid and ask is the profit for the dealer and the bid-ask spread is the profit for the dealer.
中间商的利润来自出价和要价的差别，差价就是中间商的利润。
In a quote-driven market, bid-ask spread is composed of order processing costs, stock holding costs and asymmetric information cost.
在报价驱动交易机制下，买卖价差由指令处理成本、存货成本和非对称信息成本构成。
In chapter two, three economic meanings of bid-ask spread are analyzed. They are transaction cost, inventory cost and information cost.
第二章分析了买卖价差的三个经济意义，即交易成本、存量成本和信息成本。
To study the degree of effect of great policy or event on liquidity. This paper adopts bid-ask spread, market depth and market impact cost as the proxies for liquidity.
本文选取的流动性指标包括绝对买卖价差、相对买卖价差、报价深度、金额深度和市场冲击成本指标。
Bid ask spread is the most fundamental area of microstructure theory, and it runs through microstructure researching.
买卖报价价差是微观结构理论中最基础的研究领域，并且贯穿于微观结构理论研究的始终。
Bid ask spread is the most fundamental area of microstructure theory, and it runs through microstructure researching.
买卖报价价差是微观结构理论中最基础的研究领域，并且贯穿于微观结构理论研究的始终。
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