منابع مشابه
Identify the components of appointing library managers
Purpose – Libraries as one of the most important scientific, educational, research, social and cultural centers have an effective role in the development of information, awareness and human knowledge that the realization of their goals requires specialized and experienced managers to increase the effectiveness and efficiency of libraries. Is. But the goals of libraries will not be possible with...
متن کاملStochastic dynamical model for stock-stock correlations.
We propose a model of coupled random walks for stock-stock correlations. The walks in the model are coupled via a mechanism that the displacement (price change) of each walk (stock) is activated by the price gradients over some underlying network. We assume that the network has two underlying structures, describing the correlations among the stocks of the whole market and among those within ind...
متن کاملDemographics , Stock Market Flows , and Stock Returns ∗
This paper studies the link between population age structure, net outflows (dividends plus repurchases less net issues) from the stock market, and stock market returns in an overlapping generations framework. I find support for the traditional lifecycle models — the outflows from the stock market are positively correlated with the changes in the fraction of old people (65 and over) and negative...
متن کاملStock Seeker: Finding Correspondences in Stock Data∗
The problem of stock data analysis has been widely researched by stock analysts interested in detecting patterns in stocks. Resulting algorithms have dealt with many representations of stock data depending on the problem, many dealing with complex cases where patterns in stock data need to be matched despite differences in scale, translation, or noisiness. However, specific instances arise wher...
متن کاملInternet Stock Message Boards and Stock Returns
During 1999-2001 more than 35 million messages about public firms were posted on Yahoo! Finance. This paper examines whether stocks with high posting levels also have unusual subsequent returns and/or risk. They do. Stocks with the highest level of posting have unusually high realized volatility and unusually poor subsequent returns. This remains true after accounting for the effects of the mar...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Psychiatric Bulletin
سال: 1997
ISSN: 0955-6036,1472-1473
DOI: 10.1192/pb.21.2.125-a