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二战使得欧洲大量城市中心区遭到严重破坏.关于战后重建方式的讨论一直在持续进行.本文重点研究了华沙和考文垂中心区的重建的典型案例,总结出以传承历史城市空间形态为主要特征的华沙模式以及完全采用现代主义理念建设新城市的考文垂模式,这两种模式对研究其他城市的重建具有重要的借鉴价值. 相似文献
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The successive changes of asset prices are the most visible manifestation of financial markets dynamics. There exist different views about factors generating these changes, but many researchers and practitioners agree that the most important among them is the impact of information flow. According to the market microstructure theories, it depends mainly on the behavior of informed and uniformed traders. In the paper, we investigate dependencies between the possible proxies of information process: price duration and corresponding to it volume change and return. Our main objective is to answer the question about the most important factor in the process of discovering information by uniformed traders. We apply a set of models for volatility, volume and duration data. Our analysis is performed for selected equities listed on the Warsaw Stock Exchange and uses tick-by-tick data. The obtained results show that the stock liquidity on this leading stock market in Central and Eastern Europe is the most important factor influencing the process of discovering information by uninformed traders. 相似文献
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温州的纽扣、深圳的玩具、重庆的摩帮,这些曾经辉煌的产业集群如今已经失去了往日的活力。但在新工业革命中,具有全球业务联系的区域性技术集群,却是未来经济成功与否的主要推动力量。因此,华沙、谢菲尔德、阿尔卑斯,这些历经数十年,甚至上百年发展依然生机勃勃的旧集群,他们的运作方式和生存路径,对于传统中国制造业集群来说,将是一次凤凰涅槃的启示。 相似文献
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