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20190207【充实计划】第975期   [推广有奖]

41
ccmchy 在职认证  企业认证  发表于 2019-2-7 11:53:15 |只看作者 |坛友微信交流群
昨日阅读1小时,累积阅读336小时
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42
liuxf666 发表于 2019-2-7 11:53:49 |只看作者 |坛友微信交流群
昨日阅读2小时,累计阅读149小时.

Keep reading "Designing Data-Intensive Applications" part 3 - Derived Data. Read "Practical Python" blog and try their python programming exercises.
Start reading Deep Learning Revolution by MIT.

1. Reading: 60 minutes - O
2. Side Project(s): 120 minutes - X
3. Code Practices: 60 minutes - O
4. Exercises: 30 minutes - O
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43
lemei 发表于 2019-2-7 12:14:28 来自手机 |只看作者 |坛友微信交流群
昨日晚上睡前阅读1小时,2019年累计阅读40小时。今天初三,现在在高速上。继续谈薛兆丰经济学讲义。
昨晚读的是选择,就说3点感想:
1.选择会有机会成本,这个机会成本难说清,衡量机会成本有一套准则;
2.人是有理性的但人也有感性的一面,在某些情况下,人会被感情左右,这是难预料的;
3.人不能同时踏进同一条河流,面对选择会有很多因素影响。
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44
vistro 在职认证  发表于 2019-2-7 12:29:16 |只看作者 |坛友微信交流群
昨日阅读1小时,累积阅读394小时
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45
贝玉丰 发表于 2019-2-7 12:51:54 来自手机 |只看作者 |坛友微信交流群
充实每一天 发表于 2019-2-7 07:20
【加入充实计划】【了解充实计划】
|新充实挑战|    |每日计划清单|
| 【充实积累】| |【充实挑战项目】| ...
昨天阅读1小时,累计阅读609小时
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46
Greenwicher 学生认证  发表于 2019-2-7 13:03:25 |只看作者 |坛友微信交流群
昨日阅读1小时,累计阅读797小时
1. 10分钟正念修炼-X
2. 12点前睡觉-X
3. 走路6000步-X
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47
edmcheng 发表于 2019-2-7 13:09:20 |只看作者 |坛友微信交流群
昨日阅读1小时。 总阅读时间108小时
Invest Like a Guru – How to generate higher returns at reduced risk with value investing 2017(Charlie Tian)
https://bbs.pinggu.org/thread-6755810-1-1.html (Page 115-132)
Failures, Errors, and Value Traps
阅读到的有价值的内容段落摘录
You can easily lose a lot of money in the stock market by buying when the market is exciting and optimistic, then selling when it is distressed and in a panic. Or by playing with stock options and futures or by buying on margins- if you do, you can lose money with almost any stock. Even if you are a long-term investor in a relatively peaceful bull market, you can still lose money by buying the wrong companies—ones that are on their way to failing or that may survive but will never reach a point to justify the price you paid. Next, I summarize the signs that may indicate you are buying a wrong company. The warning signs that follow are focused on the business behaviors of a company. If you recognize any of these signs related to the company’s business operation, you may want to avoid buying at any price.
These are usually young companies in hot industries. Their products are typically involved in revolutionary technology that is disruptive and can have enormous impact on society. Many ambitious young entrepreneurs start companies within the field because the technology is promising; it changes people’s lives, so investors are excited about its bright prospects and buy into the future of the technology. As the technology matures, it becomes evident that it did change people’s lives. But the field is too crowded. Few companies will become profitable and survive. Those that do can create immense wealth for their investors, whereas most other investors lose money because their companies cannot turn a profit. Many more may never
have any meaningful revenue. Beginning and amateur investors can easily get into this situation, like I did when I started out. I bought into fiber optics because the technology was so promising and suggested the brightest future. The technology did dramatically increase the speed of the Internet and made possible many applications, like video streaming, mobile Internet, and online gaming, but the surfeit of companies just couldn’t generate a profit and could never justify their past valuation. This happens once every few years in new fields, and it occurs more frequently now than in the past due to the acceleration of technology and innovations. In the past century, it was the flight industry, the automobile industry, semiconductors, digital watches, computer hardware, software, the Internet, dot-coms, and fiber optics. For this century, it has so far been solar technology, biotech, social media, electric cars, and so on.
Starting in the mid-2000s, with the support and incentives of governments from the United States to China, solar technology was booming. The technology was promising because it is clean and cannot be depleted, and we seem to be running out of oil and gas. The advance of technology has lowered the cost to more economically viable levels. It is revolutionary. Even Thomas Edison once said: “I’d put my money on the sun and solar energy. What a source of power! I hope we don’t have to wait until oil and coal run out before we tackle that.” Hundreds of solar-panel companies popped up worldwide, many of them publicly traded, and it seemed to be a wonderful opportunity for investors to participate in the booming new technology. Investors bid up the stock prices and created new wealth.
Competition is brutal, and it is also global, as with any new technology, new investments poured in, adding more to the competition; the technology then advanced quickly, and the crowded field produced much more capacity than the market can digest. For example the price of solar panels collapsed, there is no winner,  Suntech Power and SunEdison are bankrupt. First Solar and SunPower both lost more than 80 percent of their market values from 2008. SunPower is still losing money. SolarCity, a relatively new player that lays solar panel on people’s roofs and has visionary entrepreneur Elon Musk as its chairman and largest shareholder, cannot make it alone and has merged into another of Musk’s companies, Tesla Motors. Tesla has its own problems. It has never made a profit, either, and its losses are mounting. It is also in a similarly hot field that more players are entering. It is now rumored that even Apple is planning to make cars. It feels just like the fiber optics bubble I so painfully experienced. Don’t get me wrong. Solar energy did have a bright future. It still has. It is becoming more cost-effective and its market share has increased. As a former scientist and inventor, I am not against new technology and innovations. New technology and innovations improve people’s lives. They just don’t make good investments.
阅读到的有价值信息的自我思考点评感想
An experienced value investor can recognize most of the bad business behaviors, but unfortunately for value investors, a price bargain is often so attractive that it blinds them from looking at the long-term prospect of the business value. This price bargain can be a value trap in which the business keeps eroding value. Value investors lose far more money by falling into value traps than by paying too much to buy stocks. Even some of the best value investors can tumble into value traps. Berkshire was a value trap at the time of Buffett’s purchase, which eventually cost him and his partners $100 billion.5 Sears. In value traps, the stock price does usually look cheap relative to the earnings, cash flow, and especially the assets of the company. These assets can be real estate, patents, the brands, the collections, or the businesses the company owns. But the company has lost its competitive advantage and is on the path of permanent decline in its earnings power. It may seem that even if the company does not earn any money, its stock price is still a bargain relative to the assets it owns. But in reality, there is rarely a catalyst that can force the company into a quick liquidation. The first choice for management is always to turn the business around. The process can drag on for years, and in the meantime, the value of the business continues to decline. Even if it enters a fire sale, the assets can rarely fetch prices close to their worth, and the liquidation cost can also eat into a large percentage of the proceeds.
In summary, selling put options can be an effective way to reduce the share cost. But do remember:
• Work with short-term put options.
• It works well when market volatility is high.
• Do so only with the companies you want to buy and that you have the cash to buy.
• You may lose the investment opportunity altogether if the stock price goes up.
Otherwise, stay away from options, margins, and shorts.
Charlie Munger said that anyone who considers it simple is stupid. But we can look for situations that are relatively simple, a company with a business that is easy to understand, and an industry that changes relatively slowly and has a minimal regulatory risk. Buffett said that in investing, you don’t get rewarded more by working on difficult moves like in gymnastics.
He uses three jars—“yes,” “no,” and “too-hard”—when he looks at each investment opportunity. Most of the ideas belong in the too-hard jar. If it still sounds too hard, don’t get discouraged. You can participate in the long-term prosperity of good business and achieve satisfactory returns by investing in a basket of great companies. And it is really simple.
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48
karst 发表于 2019-2-7 14:13:44 |只看作者 |坛友微信交流群
昨日阅读1小时,累计阅读120小时。继续阅读《我国生态文明建设的科学基础与路径选择》,这本书是在作者曾刚主持的国家社科基金重大研究项目基础上,结合复合生态系统论、压力-状态-响应模型、评价指标体系等学说和分析方法系统地论述了中国生态文明建设的科学基础,并结合东部中等发达的山东莱芜、东部发达的上海奉贤和长江三角洲地区进行的大量田野调查资料,从一体化发展、产业转型升级、新型城镇化、生态特区、人地关系协调等方面,论述了中国不同类型区生态文明建设模式和路径选择。此外,还介绍了美国伯克利和克利夫兰、加拿大爱德华王子岛等国外生态城市、生态岛屿建设经验,并阐述了域外经验对中国推进生态文明建设的启示。
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49
richardgu26 发表于 2019-2-7 14:19:11 |只看作者 |坛友微信交流群
阅读1个小时,累积阅读23个小时。

特别提款权是货币吗?特别提款权是国际货币基金组织(IMF)在1969年创设的,目的是通过补充成员国官方储备以支付Bretton Woods下的固定汇率制度。1973年BW体系彭奎后,特别提款权被重新定义为一篮子货币,几经变化之后,现在则是根据五种主要货币(梦圆、欧元、日元和英镑)构成的篮子确定。

特别提款权的特征如下:第一,根据IMF协议,基金组织可以按成员国在基金组织份额的比例向其分配特别提款权。这相当于向每一个成员国提供了一项无成本无条件的国际储备货币,该资产既不获取收益,也不支付利息。但,如果一个成员国的特别提款权持有额超过其分配额,改过就从超出部分获取利息;相反,则要支付利息。

第二,IMF自从设立以来,进行了三次普遍性质的分配。第一次为93亿特别提款权,在1970-1972年。第二次为121亿,在1979-1981年。第三次为1612亿,在2009年。

特别提款权从本质而言,仅仅是一篮子货币,不具备发行主体,而是一种分配体制。一方面特别提款权不是分配机构的负债,但是持有者的资产。另一方面特别提款权流通的扩大,主要依赖于两个层面,第一是IMF的分配,第二是IMF对有关国家的融资,尤其是发生国际收支危机或者货币危机的国家。如果特别提款权要成为货币,那么必须采用信用机制,而非分配制度。
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50
XA0 学生认证  发表于 2019-2-7 14:47:15 |只看作者 |坛友微信交流群
1、阅读《Your statistical consulting》20页——1.5小时
2、整理英文单词——0.5小时

共计2小时,累计17.5小时
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