20181222【充实计划】第928期

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Chapter 5: resolving the prisoner’s dilemma

8.        An alternative to TIT for TAT
The basic properties of clarity, niceness, provocability, and foregivingness seem likely to be true of any good rule of behavior for extricating oneself from a prisoner’s dilemma. But tit-for-tat is too quick to punish someone who has a history of cooperation. We need to find a strategy that is more discriminating: it shall be more forgiving when a defection appears to be an exception, and it should punish when defection appears to be the rule. You can consider the following guidelines as a step in that direction. 1. Begin cooperating; 2. Continue cooperation;3.keep count of how many times the other side appears to have defected while you have cooperated;4. If this percentage becomes unacceptable, revert to tit-for tat.  To determine what is an unacceptable percentage of defections. You need to know both a shirt-. Medium,and long-term history of the other sides’ actions.

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充实每一天 发表于 2018-12-22 07:12
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昨日阅读:6小时，累计阅读:20小时。<br>
书名:金融时间序列的挖掘与预测<br>
感想:一开始读得很细，后来越看越看不懂，算是一天研读完了这本书。这本涉及到金融计量的的知识很深，尤其涉及到很多随机过程思想和算法，很难理解。

充实每一天 发表于 2018-12-22 07:12
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再一次，我想跟在座的年轻人共勉：每个周六，你可以选择看美剧，也可以选择学习。如果你学习，两天后的周一，你不会很快的就在工作中出彩，你的老板也不会知道你花了整天的时间学习，更不会夸奖你什么。你几乎找不到任何东西可以证明你在努力学习。但是我想告诉大家：如果你每个周末都这样努力工作，持之以恒，你会发现你已经突飞猛进。我认为，学习是一件几乎没有短期回报的事，但是从长远来看，回报却是非常丰厚的

barrage 一连串

if amid the barrage of negative news hitting the market this quarter there has been one outstanding item which would have sent it sharply (even) lower, that would be a flashing red headline - or a tweet from the president - announcing that Trump has fired Fed Chair Jerome Powell.

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jin216 发表于 2018-12-23 10:37
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看看，了解一下下

jinjian522 发表于 2018-12-23 19:47
看看，了解一下下

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