Zihan Zhang (张子涵)
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ZZ Blog
Keep smiling.
Krugman (1980) - Scale Economies, Product Differentiation, and the Pattern of Trade Summary This paper introduces a novel theory of...
Abadie et al. (2023, QJE) When should you adjust standard errors for clustering? Alberto Abadie, Susan Athey, Guido W. Imbens,...
Do Environmetal Markes Improve on Open Access? Andrew B. Ayres, Kyle C. Meng, Andrew J. Plantinga JPE, 2021 Slides Slides...
Micro Notes Recent update: 05/29/2024 04/24/2024 Micro I: Haven’t finished uploading notes on Micro I. Micro II: The description of...
Stata tips - Outreg2 Descriptive Statistics outreg2 using DS.tex, replace sum(log) keep(var) title(Decriptive statistics) Regression reg Y X, r outreg2...
R demo - Using Baidu API to identify the number of separate collegecampuses in China In this note, I use...
R code - Predict temperature with a KNN Use KNN to fit the temperature variation in China. Features: longitude, latitude,...
R code - Get geographical information from Baidu Map Service # # API request - Baidu Map Service # @z...
3 Tips of Checking differences of scripts in STATA 生成日志文件人工比较 code：STATA 生成log file 日志文件 cap log close // 主要是防止与上一个log file...
Bayer,2007,A Unified framework for measuring preferences for schools and neighborhoods Published on JPE. Paper My slides. Conclusion about findings: First,...