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The main goal of this paper is to compare the microstructure of selected stocks listed on the Frankfurt and Warsaw …
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of all investors. Fragmentation of the marketplace can be seen as a direct outcome of this heterogeneity. In this article … fragmentation, the resulting implications for liquidity and price efficiency, and the role for public policy. Beyond the concerns …
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We introduce a regularization and blocking estimator for well-conditioned high-dimensional daily covariances using high-frequency data. Using the Barndorff-Nielsen, Hansen, Lunde, and Shephard (2008a) kernel estimator, we estimate the covariance matrix block-wise and regularize it. A data-driven...
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Algorithmic trading has sharply increased over the past decade. Equity market liquidity has improved as well. Are the two trends related? For a recent five-year panel of New York Stock Exchange (NYSE) stocks, we use a normalized measure of electronic message traffic (order submissions,...
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