Reading notes on ‘Logs with Zeros? Some Problems and Solutions’. When the variable being transformed includes zeros, the log(y+1) transformation has some limits in treatment-effect estimation.

A study note on the calculus of variations based on Alpha C. Chiang’s textbook on dynamic optimization, covering the catenary problem, the brachistochrone problem, and monopoly pricing.

This article reviews the introduction to Yang Xiaokai’s work on inframarginal analysis in development economics and highlights several arguments about division of labor, growth, and the history of development theory.

Reflecting on the attitude towards the study of economics—what constitutes enthusiasm? What embodies a love for the discipline? Documenting my own hierarchy of disdain in the realm of economic learning.

GPT Summary: This article introduces commonly used table output commands in economic empirical papers, including estout, asdoc, logout, outreg2, putdocx series, and etable. Each command has its features and applicable scenarios, such as estout for versatile custom effects and LaTeX output, asdoc for descriptive statistics, logout for diverse statistical result outputs, outreg2 for aesthetically pleasing regression result outputs, the putdocx series for exporting multiple tables into a single Word file, and etable, which supports Chinese encoding in Stata 17. Example codes demonstrate the basic usage and output effects of each command, helping readers select suitable commands for table outputs.

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A concise layover guide based on a transfer in Wuhan: how to use the airport’s transit services, take the metro to Yellow Crane Tower, and finish the round trip in about five hours.

A personal 2024 viewing roundup that reads Blossoms Shanghai, The Long Season, Only the River Flows, and Journey to the West through the lens of fate, madness, compromise, and reconciliation.