书目名称 | Information Evaluation in Capital Markets | 编辑 | Volker Firchau | 视频video | | 丛书名称 | Lecture Notes in Economics and Mathematical Systems | 图书封面 |  | 描述 | An investor who wants to invest a certain amount and to whom a lot of more or less risky alternatives arise would divide this amount among several securities. He makes this portfolio decision because of his expectations with regard to these assets which result from the information available to him. If the investor obtains additional information, then his knowledge would improve and, therefore, the portfolio decision made by him. Accordingly, he will be ready to accept certain costs related to the information procurement. The value of information indicates the maximum tolerable information costs, and its knowledge, therefore, enables - by comparing with the actual information costs - to evaluate the profitability of an information procurement. In this book, the value of information for the problem of portfolio planning is explicitly determined, namely as well for the case of fixed prices not influenced by the information activity as within the scope of a market model. These explicit results allow several conclusions, in particular about the influence of preknowledge, risk aversion, information precision and information dissemination on their value. The Bayesian decision theory is th | 出版日期 | Book 1986 | 关键词 | Portfolio; Portfolio Planning; capital markets; decision theory; equilibrium; evaluation; information; info | 版次 | 1 | doi | https://doi.org/10.1007/978-3-642-49272-3 | isbn_softcover | 978-3-540-16462-3 | isbn_ebook | 978-3-642-49272-3Series ISSN 0075-8442 Series E-ISSN 2196-9957 | issn_series | 0075-8442 | copyright | Springer-Verlag Berlin Heidelberg 1986 |
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