Tipping the Tax: How Government Surcharges Become Gratuities
with Gabriel Uceda-Sosa
Suggested-tip screens compute percentages of the fee-inclusive total, so eleven cents of every legislated surcharge dollar on New York taxi meters becomes tip.
Economics & Mathematics — Columbia University
Research on monetary policy, household expectations, and forecasting.
Selected research All research →
When the Message Meets the Moment: State-Dependent Effects of Monetary Policy Surprises on the Term Structure of Inflation Expectations
How monetary policy announcements move household inflation expectations across horizons; effects are strongest during supply-driven inflation.
Merit Aid, Sorting, and Institutional Access: Evidence from Tennessee's HOPE Scholarship
with Balint Kidd, Tommy Soltanian, Gabriel Uceda-Sosa
After Tennessee's 2004 HOPE Scholarship, the bottom-quintile share at public colleges rose 1.5 percentage points — merit aid that expanded access rather than concentrating it.
News
Oct 2025
Presented “When the Message Meets the Moment” at the Columbia Undergraduate Research Symposium.
Aug 2025
Presented at the World Bank PREDOC Summer Research Conference, Washington, D.C.
Spring 2025
Columbia University delegation, Pre-doctoral Economics Conference, Princeton University.
Spring 2024 & 2025
Peer Review Board member & discussant, Economic Scholars Program, Federal Reserve Bank of Cleveland.
Projects All projects →
Notes in Modern Analysis
Course-note compilation for Columbia's summer real analysis course — nine chapters of lecture notes, problem sets with worked solutions, and a curated bibliography, tracking Rudin's Principles of Mathematical Analysis.
Nowcasting with High-Frequency Data
A hands-on workshop from the Kalman filter to a live nowcasting dashboard — slides, LaTeX lecture notes, and in-browser interactive explorables compiled from one source, with five project practica and a capstone benchmarked against professional nowcasts.
The Ledger All entries →
Jul 2026