Greg Mankiw 是知名經濟學者,也是出色的教科書作家。雖然身處於 Harvard 這樣競爭激烈的名校,依然非常熱衷於教學。
這篇文章的起因是有一個經濟所的研究生向 Mankiw 教授抱怨學術界充滿垃圾,Mankiw 教授便做此文回答。其實這位研究生的困惑也是台灣很多研究生共同的抱怨。垃圾研討會和期刊很多,可以養很多混吃等死的人;有一些阿沙不魯的文章卻可以上不錯的期刊;或者死氣沈沈,感覺都是老把戲重新包裝,沒有真正的創見。
Greg Mankiw 提醒道:從經濟學我們知道報酬遞減,學術也不例外,真正有價值的研究必定越來越少。....blabla...
有趣的是最後一段經驗分享
The most exciting course in economics I have ever taken was Principles of Microeconomics, taught by uber-teacher Harvey Rosen during my freshman year at Princeton. That course opened my eyes to a whole new way of viewing the world. No subsequent course or conference has ever yielded the degree of intellectual excitement I felt learning basic micro from Harvey. When I first recognized this fact, I was disappointed, much as the letter writer is. But, even so, I have enjoyed being a professional economist by coming to accept that I will not reach that pinnacle again. You might call it the "soft bigotry of low expectations."
迴響中也有些不錯的意見,可見得大家都心有慼慼焉。國家灌注更多經費到科學研究,學術界也漸漸膨脹,雖然我們可以說,即使學術研究成果的『毛利率』下降,但是總體來說,我們還是增加了更多知識。
然而,排除所謂國家競爭力的觀點,我們有必要這麼急著去追求知識嗎?
晚個十年發現相對論會有什麼差別嗎?
P.S., 我忽然想到 Solow Model....:)

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