- My undergraduate thesis at FCU in 2019
- Coauthor: Elizier Wang
- Scrape 489870 posts (about 2 years) from a Chinese stock forum
- Conduct sentiment analysis on each post using Naive Bayes Model
- Calculate daily sentiment index by averaging scores of posts
- Break down the daily sentiment index using Empirical mode decomposition (EMD)
- Determine the causal effect of sentiment index on stock indices using difference-in-difference (DID)