random walk hypothesis 中文意思是什麼

random walk hypothesis 解釋
隨機流動假設
  • random : n 〈罕用語〉胡亂行為，偶然的[隨便的]行動[過程]。adj 1 任意的，胡亂的，隨便的；（話等）信口亂說的...
  • walk : vi 1 走，步行；【籃球】帶球走，走步；（馬）用常步走。2 走著去；散步。3 （鬼等）出來。4 〈比喻〉處...
  • hypothesis : n. （pl. -ses ）1. 假設；假說。2. 【邏輯學】前提。
  1. We analyse the dispersion of stock returns and have the tests of serial correlation. the results show that the trading mechanism has a significant effect on a number of characteristics of stock returns. first, the distribution of open - to - open returns has greater variance than that of close - to - close returns. second. the serial correlation pattern is quite different in the two return series. the open - to - open returns have negative autocorrelation coefficient, but the close - to - close returns is positive. further, employing an arma ( 1, 1 ) model we find that in the opening. returns exhibit higher residual noise and stronger dependence on past returns, reflecting stronger deviations from the random - walk form of the market efficiency hypothesis

    主要表現為：一，開盤收益序列比收盤收益序列具有更大的方差。二，兩種收益序列的序列相關形式不同，開盤收益序列表現為負相關，而收盤收益序列表現為正相關。而且我們通過arma （ 1 ， 1 ）模型的進一步檢驗，發現開盤收益序列比收盤收益序列具有更大的殘差，更依賴于過去的收益序列，也更偏離於市場有效的隨機遊走形式的假設。
  2. Then expatiate the key role of rational expectations in the below theories : share prices " random walk " / ' efficiency markets ", " permanent income hypothesis " " life - cycle " of consumption, " super inflation theory ", " tax smoothing " and the design of economic stabilization policies

    然後簡要闡述了理性預期在以下理論中扮演的關鍵角色：股票價格「隨機行走」 、 「有效市場理論」 ， 「超級通貨膨脹理論」 ， 「消費的永久收入」和「生命周期」理論， 「稅收平滑」理論，以及經濟穩定政策設計理論。
  3. Random walk hypothesis

    隨機走勢假設
  4. It is difficult to refuse null hypothesis of random walk when employing monthly data in empirical test

    （ 2 ）採用月數據分析很難拒絕隨機遊走假設。
  5. The diesis studies many prevalent consumption theories and functions, such as keynesian consumption theories with absolute income hypothesis and relative income hypothesis as representatives, certainty - type consumption decision theories with permanent income hypothesis and life cycle hypothesis as representatives, uncertainty - type consumption decision theories with random - walk hypothesis as representative. some consumption functions under complicate conditions have also been given in die diesis

    論文對以絕對收入假說相對收入假說為代表的凱恩斯主義消費理論、以生命周期持久收入假說為代表的確定型消費決策理論、以隨機行走假說為代表的不確定型消費決策理論等主流消費理論進行了剖析，並給出了一些在復雜的消費決策條件下的消費函數。
  6. It shows that traditional finance theory based on the assumptions of normal return distribution, random walk, and independence cannot accurately characterize the price behavior ; while with the hypothesis of fractal capital market, non - normality, fractional brownian motion, and the long - term memory of the financial time series, the behavior of the actual stock price can be characterized well

    研究表明，基於有效市場的傳統理論假設:正態分佈、隨機游動與獨立性並不能準確刻化股票價格行為，而基於分形市場的理論假設，非正態分佈、分數布朗運動與長期記憶性能夠很好描述實際資本市場的價格行為。
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