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20190129【充实计划】第966期   [推广有奖]

HappyAndy_Lo 发表于 2019-1-29 23:51:29 |显示全部楼层 |坛友微信交流群
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《思想的力量:哲学导论》

332. 心灵哲学
分析认识论和形而上学所关注的两大问题领域,前面已经讨论过了其中的一项:即感官经验、语言与物理世界之间的相互关系问题;而另一项则主要设计人的心灵。
分析哲学中,心灵哲学所占的疆域很大(处理的不是单一问题,而是一系列相互关联的论点和主题)
心灵哲学(Philosophy of mind)关注的主要问题是意识、精神状态(即心理学状态)和心灵的本质。其通常的研究路向是针对我们日常所用的心理学词汇,即各种精神状态,包括信念、渴望、恐惧、怀疑、期待、念想、偏好、选择、思考、动机、冲动、如此等等,追问这些词汇的意义,对其进行分析。


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Blockchain:
11.
General elements of blockchain
It is time to discuss the general elements of blockchain, starting from its basic structure to its formation and further details on the same.

Peer-to-peer network

This is a type of network whereby all peers can communicate with one another and are equally entitled, without the need for central coordination by servers or hosts. In conventional networks, the systems are connected to a central server, and this server acts as a central point for communication among the systems. On the other hand, in a peer-to-peer network, all the systems are connected to one another evenly, with no system having central authority. Look at  diagram(a p2p network diagram vs Client to server Network).
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Django: a New book <Practical Django 2 and Channels>

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harverywu 在职认证  发表于 2019-1-29 23:55:51 |显示全部楼层 |坛友微信交流群
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Material : Corporate finance Cost of capital
Reflection:
Stock market
Private company:  private company have a limited set of shareholders and their shares are not regularly traded, the value of their shares can be difficult to determine.
Public Company: public companies whose shares trade on organized market called a stock market or stock exchange.
The stock markets provide liquidity and determine a market price for the company’s shares. An investment is said to be liquid if it is possible to sell it quickly and easily for a price very close to the price at which you could contemporaneously buy it.
Primary and secondary stock markets
Primary stock market: When a corporate itself issues new shares of stock and sells them to investors, it does so on the primary market.
Secondary stock market: after initial transaction between corporation and investors, the shares continue to trade in a secondary market between investors without the involvement of the corporation. Firms only occasionally issue new shares, secondary market trading accounts for the vast majority of trading in the stock market.

Traditional Trading Venues
Historically a firm could choose one stock exchange on which to list its stock, and almost all trade in the stock would occur on that exchange. In US, two most important stock exchanges are the New York Stock Exchange( NYSE), and the national association of Security Dealer Automated Quotation ( NASDAQ).

Market makers make money because ask prices are higher than bid prices. This difference is called the bid-ask spread. Customers always buy at the ask price( the high price) and sell at the bid price( the lower price). The bid-ask spread is a transaction cost investors pay in order to trade. Because specialists on the NYSE took the other side of the trade from their customers, this cost accrued to them as a profit, this was the compensation they earned for providing a liquid market by standing ready to honor any quoted price. Investors also paid other forms of transactions costs like commissions.

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学习价格变化对消费者的配置效应小结:
1.价格变化可以分解为替代效应和收入效应,其中让消费者保持效用不变、通过“希克斯补偿”剔除收入效应可以来分析替代效应;马歇尔需求既包含替代效应又包含收入效应,而希克斯需求只包含替代效应(因此马歇尔需求曲线比希克斯需求曲线平坦)。
2.由替代效应(SE)+收入效应(IE)=总效应(TE),该等式可用斯拉茨基公式来表示。
3.希克斯补偿比斯拉茨基补偿要小;计算希克斯补偿额时,可先求出希克斯补偿性需求函数,在求希克斯补偿额。
4.净替代效应非正;净替代效应具有对称性,而总替代关系和总互补关系不一样对称。
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vistro 在职认证  发表于 2019-1-30 03:36:56 |显示全部楼层 |坛友微信交流群
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noben323 发表于 2019-1-30 07:18:51 |显示全部楼层 |坛友微信交流群
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noben323 发表于 2019-1-30 07:18
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da_shuiguo 发表于 2019-1-30 08:44:22 来自手机 |显示全部楼层 |坛友微信交流群
充实每一天 发表于 2019-1-29 06:04
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amtw14 发表于 2019-1-30 10:00:11 |显示全部楼层 |坛友微信交流群
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da_shuiguo 发表于 2019-1-30 08:44
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chbczq 学生认证  发表于 2019-1-31 14:49:40 |显示全部楼层 |坛友微信交流群

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