Hi, I'm Duarte.

I work on microeconomic theory and behavioral economics, with a special focus on information economics
I am an Assistant Professor at the Department of Economics - University College London
I concluded my Ph.D. in economics at Columbia University in 2021

News

Finally updated: Sequential Sampling Equilibrium

Research

Working Papers

Sequential Sampling Equilibrium
A revised version of my job market paper, Sequential Sampling and Equilibrium
| 1st draft Sept 2020; (finally) updated Nov 2022; submitted

A new equilibrium solution concept where players sequentially sample to resolve strategic uncertainty over their opponents' distribution of actions delivers predictions on the joint distribution of actions, beliefs, and decision times.

The Dynamics of Instability
| with César Barilla; 1st draft Feb 2022; updated Nov 2022; revised and resubmitted

Even in absence of short-term gains, players with diametrically opposed interests want to generate instability to advance their interests.

Learning versus Unlearning: An Experiment on Retractions
| with Jonathan Libgober and Jack Willis ; 1st draft Oct 2021; updated Sep 2022; submitted

Subjects do not fully unlearn from retractions of past signals and update less from them than from equivalent new signals.

The Effect of Incentives on Choices and Beliefs in Games. An Experiment
| with Teresa Esteban-Casanelles; 1st draft Feb 2020; updated Nov 2020

The level of incentives affects gameplay and beliefs through both choice mistakes and costly attention.

Statistical Mechanism Design: Robust Pricing and Reliable Projections
| with Bruno Furtado; updated Aug 2020

A mechanism designer with a sample of consumers’ types can conduct valid inference on profit and regret and use our toolkit to compare mechanisms.

Diagonal Games: A Tool for Experiments and Theory
| updated Sept 2020

Diagonal games are a useful benchmark to study cognitive limitations in strategic settings, both for exploring predictions of theoretical models and for experimental implementations.

The Economics of Recommender Systems: Evidence from a Field Experiment on MovieLens
| with Guy Aridor, Ruoyan Kong, Daniel Kluver, Joseph Konstan; 1st draft Nov 2022; submitted

Recommendations (i) increase consumption, (ii) affect consumers' beliefs which in turn guide consumption decisions, and (iii) induce further information acquisition.

Work in Progress

Endogenous Strategic Uncertainty
with Teresa Esteban-Casanelles and Evan Friedman

Publications

Recommenders’ Originals: The Welfare Effects of the Dual Role of Platforms as Producers and Recommender Systems
| with Guy Aridor; IJIO 2022

The ability of platforms to bias their recommendations can lead to vertical foreclosure, but separating recommendation and production is not always welfare improving.