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In the present study, I explore interday correlations between open-to-close and opening stock returns. Employing intraday price data on all the stocks that were S&P 500 Index constituents during the p...
Studies the evolution of country and industry effects at the level of the global stock market in terms of market integration from a regional perspective. Importance of the country effects in explainin...
Domestic credit-rating agencies in China have been criticized for having no effect on the decisions of investors. We examine whether credit ratings and rating outlooks of the listed companies that are...
Using a large set of daily US and Japanese stock returns, we test in detail the relevance of Student models, and of more general elliptical models, for describing the joint distribution of returns. W...
We describe a new framework for causal inference and its application to return time series. In this system, causal relationships are represented as logical formulas, allowing us to test arbitrarily co...
This paper examines the possibility of using derivative-implied risk premia to explain stock returns. The rapid development of derivative markets has led to the possibility of trading various kinds of...
Motivated by the literature on investment flows and optimal trading, we examine intraday predictability in the cross-section of stock returns. We find a striking pattern of return continuation at hal...
There is convincing evidence showing that the probability distributions of stock returns in mature markets exhibit power-law tails and both the positive and negative tails conform to the inverse cubic...
Stock prices are known to exhibit non-Gaussian dynamics, and there is much interest in under- standing the origin of this behavior. Here, we present a model that explains the shape and scaling of the...
In this paper we examine the sensitivity of financial sector stock returns to market, interest rate, and exchange rate risk in three financial sectors (Banking, Financial Services and Insurance) in 16...
It is widely recognized that when classical optimal strategies are applied with parameters estimated from data, the resulting portfolio weights are remarkably volatile and unstable over time.The predo...
Stock Returns, Order Imbalances, and Commonality: Evidence on Individual, Institutional, and Proprietary Investors in China主讲人 Prof. Jun CaiCity University of Hong Kong
In this paper, we provide a model-free test for asymmetric correlations in which stocks move more often with the market when the market goes down than when it goes up. We also provide such tests for...
We develop a stock market model with differences of opinion and short-sales constraints.When breadth is low—i.e., when few investors have long positions—this signals that the shortsales constraint is ...

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