3 papers
econ.TH2026
One-Shot Pricing for Hands-Off-the-Wheel Advertising Markets
Emerson Melo, Matt Shum, Rakesh Vohra
Per-impression auctions have long served as the allocation mechanism in online advertising. We argue that in ``hands-off-the-wheel'' (HOTW) markets, where advertisers declare budge…
econ.EM2025
Welfare at Risk: Distributional impact of policy interventions
Costas Lambros, Emerson Melo
This paper proposes a framewrok for analyzing how the welfare effects of policy interventions are distributed across individuals when those effects are unobserved. Rather than focu…
cs.LG2025
Beyond Softmax: A New Perspective on Gradient Bandits
Emerson Melo, David Müller
We establish a link between a class of discrete choice models and the theory of online learning and multi-armed bandits. Our contributions are: (i) sublinear regret bounds for a br…