Notes on econometrics, understanding causality, distinguishing between pooled, fixed, and random effects, and STATA operations. Also, personal understanding of mechanism testing, involving discussions on interaction terms.

The concepts of “genuine” and “counterfeit” are common topics in anime and manga. I believe clarifying this issue is crucial for properly understanding utilitarian mindsets.

This article explores the essence of academic pursuit through Wang Xiaobo’s works and the spirit of science, emphasizing that the drive for answers stems from curiosity and desire for knowledge, rather than pursuing utility or practicality.

Economic weighting and scoring methods: PCA, CRITIC, EWM, COV. Also, some common pitfalls are recorded.

Only the River Flows

GPT Summary: This article explores the application and meaning of convergence in the fields of mathematics, probability theory, and economics. Starting from the concepts of limits and convergence in mathematics, it gradually expands to the Law of Large Numbers and the Central Limit Theorem in probability theory, and finally delves into the convergence effect in economics and the convergence tests and club convergence analysis in econometrics.

This document explores the economic formulas associated with Roy, Hotelling, and Shephard. These theories are utilized as methods for solving problems in a textbook but are not covered in another reference book, hence they are documented here as supplementary material.

Behind every act of madness lies a resilient and pure heart. The key to understanding ‘Goodbye, Eri’ is not about remembering others but realizing Yuta was filming himself all along. Words fail to convey how much effort I’ve poured into loving this world.