Short Stories and Economic Analysis

What do you gain from the following 12 passage?

1, the concept of mate selection

An American economist published a paper to analyze the concept of mate selection from the perspective of transaction science. If men and women are divided into four excellent grades of ABCD, the current situation is that A men want to find B women, B men want to find C women, and C men want to find D women, then D men are left. On the other hand, women are different, that is, ABCD women want to find a man. The end result is a woman and a man. There is a case in economics: two people meet a bear in the forest, so the opponent will not be a bear! As long as you are one step ahead, you will win.

2. Game theory and chasing girls

If all four boys go after a beautiful girl, she will definitely put on airs and ignore anyone. At this time, boys will chase other girls, and others will not accept it, because no one wants to feel inferior. But if the four of them chase other girls first, the beautiful girl will be isolated, and it will be much easier to chase after them. -that simpl expression of game theory by the mathematician Nash.

3. The origin of "there is no such thing as a free lunch"

This sentence was first put forward by economist Friedman. Its original meaning is that even if you don't have to spend money on food, you still have to pay the price. Because the time you eat this meal can be used to do other things, such as talking about a business of 654.38+0 million. If you spend your time eating this meal, you will lose the value you could have. This is the concept of opportunity cost, did you know it before?

4. Economic jokes

In class, the professor teaches economics: "What is the primary industry? Feed cattle and raise sheep. What is the secondary industry? Kill cattle and sheep. What is the tertiary industry? Eat beef and drink mutton soup. " Some students asked, "What about the cultural industry?" The professor's eyes lit up: "Good question! It is worthy of being a good student. " Then answer: "The so-called cultural industry is bragging and being a sheep!"

5, the poor tax

There is a saying in economics called "poor tax". The most typical thing is that most people who buy lottery tickets are poor (brothers who often buy lottery tickets don't mind). This is a rare opportunity for them to achieve a substantial increase in wealth within their affordability and affordability. However, winning the prize is a small probability after all. In the long run, if they pay more, they will be entitled to pay taxes.

6. Pareto distribution

Arrange the wealth of everyone in the world from big to small, with a slender but towering head on one side and a long, endless, low and desperate tail on the other. This distribution is named "Pareto distribution" in economics.

7. Happiness formula

There is a formula in economics: happiness = utility: expectation. If your boyfriend gets a bonus of 1000 yuan, but you expect him to buy himself a LV bag of 10000 yuan, divide 10000 by 10000, and the happiness is only 0. 1. But if your expectation is for your boyfriend to treat himself to a western meal in 200 yuan, 1000 divided by 200, the happiness is 5. To be happy in love, it is best not to let desire affect your life.

8. Long-term investment

A girl came to the melon garden with triangular money to buy melons. When the melon farmer saw that she had too little money, he wanted to trick the little girl into leaving. She pointed to an immature melon and said, "Triangle money can only buy that little melon." The girl agreed and happily handed the money to the melon farmer. The melon farmer was surprised: "This melon is not ripe yet. How do you want it to eat? " Girl: "Pay the money and the melon will be mine. I'll pick the melons when they are ripe. "

9. The Four Principles of Happiness and Pain

Pick up 75 yuan once, or pick up 50 yuan first and then 25 yuan, which one? Lose 75 yuan once, or lose 50 yuan first and then 25 yuan, which one? Experiments show that most candidates collect $75 respectively and then throw out $75 together. These are the four principles of happiness and pain in economics: ①n pieces of good news should be released separately; ②n bad news should be released together; (3) A big bad news and a small good news are respectively; (4) A big good news and a small bad news are announced together.

10, what is an investment bank?

An investment bank rookie asked, "What is an investment bank?" The elder took some rotten fruits and asked him, "How are you going to sell these fruits?" The rookie thought for a long time and said, "I'll get rid of it at a discount at the market price." The elder shook his head, picked up the fruit knife, peeled and cut the rotten fruit into pieces, and made a beautiful fruit platter: "Well, sell it at dozens of times."

1 1, online chat

When you decide to chat online, it's called starting a business; Come up and see how many MM there are, which is called great market potential; But there are many GGs, which is called fierce competition; You decide to attract the attention of beautiful women, which is called positioning; You say you are handsome and rich, which is called hype; You ask "who wants to chat with me", which is called advertising; You asked, "Are there any beautiful women?" This is the so-called market research. There are 200 people who answer "I am a beautiful woman" at the same time, which is called bubble economy.

12, stop the car

The rich man borrowed 5000 yuan from Wall Street Bank for two weeks. Bank loans must be mortgaged. He used the Rolls Royce parked at the door as collateral. The bank clerk parked his Rolls-Royce in the underground garage and then lent the rich man 5000 yuan. Two weeks later, the rich man came to pay back the money with interest of *** 15 yuan. The bank clerk found that the rich man had millions in his account and asked him why he still needed to borrow money. The rich man said: Wall Street will never find a parking lot in 15 yuan for two weeks.