ECO 500: PhD Microeconomics ISep 1, 2025 · 1 min readTeaching Assistant, Stony Brook University, Fall 2023 and Fall 2025.Last updated on Sep 1, 2025 AuthorsSarah BetzPhD Candidate in Economics ← ECO 501: PhD Microeconomics II Jan 1, 2026ECO 108: Introduction to Economics Sep 1, 2022 →