9 papers
Effort Matters in Score-Based Admissions: How Retaking and Aggregation Shape Test Scores
Christine Ling, Diptangshu Sen, Juba Ziani
Observed standardized test scores are the result of an endogenous process: students strategically allocate effort across multiple retake attempts to improve their outcomes. Because…
The Impact of Competition on Outcomes of Score-Based College Admissions
George Bentley, Diptangshu Sen, Juba Ziani
We study how the design of admissions policies affects the ability of students admitted to universities. In our model, applicants have a multi-dimensional ability, which is a combi…
Data Sharing with Endogenous Choices over Differential Privacy Levels
Raef Bassily, Kate Donahue, Diptangshu Sen +2
Motivated by the rapid push to decentralize sharing of data, we study whether large-scale data sharing coalitions can form in a decentralized manner under differential privacy when…
Fixed Points and Stochastic Meritocracies: A Long-Term Perspective
Gaurab Pokharel, Diptangshu Sen, Sanmay Das +1
We study group fairness in the context of feedback loops induced by meritocratic selection into programs that themselves confer additional advantage, like college admissions. We in…
Incentivizing Desirable Effort Profiles in Strategic Classification: The Role of Causality and Uncertainty
Valia Efthymiou, Chara Podimata, Diptangshu Sen +1
We study strategic classification in binary decision-making settings where agents can modify their features in order to improve their classification outcomes. Importantly, our work…
When Should a Principal Delegate to an Agent in Selection Processes?
Benjamin Fish, Diptangshu Sen, Juba Ziani
Decision-makers in high-stakes selection processes often face a fundamental choice: whether to make decisions themselves or to delegate authority to another entity whose incentives…
Differentially Private Data Release on Graphs: Inefficiencies and Unfairness
Ferdinando Fioretto, Diptangshu Sen, Juba Ziani
Networks are crucial components of many sectors, including telecommunications, healthcare, finance, energy, and transportation.The information carried in such networks often contai…
On Rider Strategic Behavior in Ride-Sharing Platforms
Jay Mulay, Diptangshu Sen, Juba Ziani
Over the past decade, ride-sharing services have become increasingly important, with U.S. market leaders such as Uber and Lyft expanding to over 900 cities worldwide and facilitati…
Equilibria of Data Marketplaces with Privacy-Aware Sellers under Endogenous Privacy Costs
Diptangshu Sen, Jingyan Wang, Juba Ziani
We study a two-sided online data ecosystem comprised of an online platform, users on the platform, and downstream learners or data buyers. The learners can buy user data on the pla…