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Much of the trading activity in Equity markets is directed to brokerage houses. In exchange they provide so-called quot;soft dollarsquot; which basically are amounts spent in quot;researchquot; for identifying profitable trading opportunities. Soft dollars represent about USD 1 out of every USD...
Persistent link: https://www.econbiz.de/10003966616
.We analyze the traditional Markowitz mean-variance (MV) portfolio by large dimension matrix theory, and find the spectral … findings are consistent with the theory developed in the paper. …
Persistent link: https://www.econbiz.de/10011456708
To create their rankings, university-ranking agencies usually combine multiple performance measures into a composite index. However, both rankings and index scores are sensitive to the weights assigned to performance measures. This paper uses a stochastic dominance efficiency methodology to...
Persistent link: https://www.econbiz.de/10014112285
The mean-variance portfolio optimization theory of Markowitz assumes that stock returns are distributed according to …
Persistent link: https://www.econbiz.de/10013160035
inferential procedures. We develop theory for large sample inference based on the strong approximation of a sequence of series or …
Persistent link: https://www.econbiz.de/10009375645
bounds as a by-product of our inferential procedures. We develop theory for large sample inference based on the strong …
Persistent link: https://www.econbiz.de/10009668003
Persistent link: https://www.econbiz.de/10013124340
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network without compromising prediction accuracy. We evaluate its performance by predicting the daily volatility and closing …
Persistent link: https://www.econbiz.de/10012268745
The purpose of this paper is to introduce the Gerber statistic, a robust co-movement measure for covariance matrix estimation for the purpose of portfolio construction. The Gerber statistic extends Kendall's Tau by counting the proportion of simultaneous co-movements in series when their...
Persistent link: https://www.econbiz.de/10013219149