加上做research 啲 math 要好,我都唔清楚自己應唔應付到real analysis 嗰啲course
Not necessarily。如果你係純做empirical,而且係causal inference的話,學到basic嘅analysis同linear algebra就夠,你嘅研究都唔會需要用到analysis 同linear algebra,用嚟睇paper only。
我就係做呢個field,有興趣你可以睇Mostly Harmless Econometrics呢部書學tools,可以睇freakonomics去了解我哋呢個field。
學識點樣係Stata 上面用propensity score matching, DiD, RD design, synthetic control就可以開始做research。呢個field更多要求嘅係你嘅創意、直覺、解決endogeneity 嘅能力,冇數計。
當然,依家美國PhD嘅入學會睇你有冇學過real analysis/ analysis 同linear algebra,佢哋嘅用意並唔係想你用高深嘅數學做研究,而係想make sure你唔會fail qualifier exam。
如果你真係好想好想做研究但係你對數學會反胃,唔想讀advanced 嘅math同Econ courses。你有兩個選擇:
一,去美國讀PhD of Public Policy,freakonomics style嘅research 其實有好多public policy嘅人做,而美國department of public policy有好多教授係PhD Econ grad。public policy 同public economics之間嘅界線愈嚟愈模糊。public policy department 亦愈嚟愈鍾意收Econ 嘅人去讀PhD。
但如果你想做micro, macro, metrics 嘅theory,PhD of Public policy幫你唔到。但係如果你有心做theory,你依家就應該要去讀real analysis同linear algebra
二,去一啲冇qualifier exam嘅學校讀PhD Econ,例如英國同澳洲大部分大學都冇qualifier exam。不過呢啲地方嘅Econ research 的確比唔上美國,你亦要諗下前途。