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[生活中的經濟學] 難度 5**,機會成本(Opportunity Cost) 一問,90% 美國大學生都做錯的一條問題

好耐之前睇過一本英文書 (忘記了書名,如有好心人提供請告之),係講日常生活現象的經濟解釋,例如雪柜點解冰隔(freezer)冇燈?(因為買既人唔肯為唔常要開既燈比額外錢) 點解女士既衫鈕門開右邊?(因為方便以前15-16世紀時傭人幫穿) 咁點解依家唔轉番?(因為若轉的話有可能被人誤以為是男裝) 仲有好多有趣的問題。

該書開首有一條關於機會成本的問題,據作者講不少美國大學選修基礎經濟的Year1學生,抽樣答有9成左右做錯 (書中話比冇讀經濟同學答,啱的比率反而高一點)。給講師答亦有一半錯。(這些比例是我記憶中的,但應該相差不遠)

在此把問題分享給大家挑戰一下 (適合 DSE 學生測試一下):

數字人生:在職場上多多結交朋友,可提高4成升級機會


若果朋友是上司就更好了!


原文:lifehacker

Boost Your Chances of Getting a Promotion by Making Friends at Work

You may not consider your workplace a source of great, lifelong friends, but it turns out that making a few could increase your chances of being given more responsibility and a bigger paycheck. CNN Money found that workers who help others, organize social activities, and make an effort to become friends with their coworkers have a 40% high chance of getting a promotion. They point to one organization that started essentially enforcing a friendliness policy, and that yielded positive results:
To increase social support, Ochsner Health System, a large Louisiana health care provider that Achor works with, implemented an approach called the "10/5 Way." After educating 11,000 employees about the importance of offering support to each other, Ochsner asked employees to make eye contact and smile whenever they walk within 10 feet of another person in the hospital. If they pass within 5 feet, they say hello. Since then, Ochsner has seen a 5% increase in patients' likelihood to recommend the organization, greater unique patient visits, and a significant improvement in overall patient satisfaction.
It looks like in research and in practice, making friends is good for both you and and your company. Not only that, as we mentioned earlier today, isolation can stop the idea generation and creative teamwork in the office as well. While you definitely need to take your alone time and don't want to be social to the point of no productivity, don't rule out the importance of making friends. It could mean the difference between a going nowhere and getting a promotion.



 
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