collaborators

5 papers

econ.TH2026

The existence of anonymous, stationary, monotone social welfare functions satisfying restricted dominance: an answer to an open question in intergenerational equity

Ram Sewak Dubey, Giorgio Laguzzi, Francesco Ruscitti

In this note, we consider social welfare functions on infinite utility streams and answer an open question posed in Asheim et al. (2021, Remark 1). There exists a real-valued repre…

econ.TH2026

A Social Welfare Function Satisfying Anonymity and Almost Weak Pareto

Ram Sewak Dubey, Giorgio Laguzzi

We study the existence of real-valued social welfare functions (SWFs) on the set of infinite utility streams that satisfy anonymity and almost weak Pareto. We characterize the doma…

econ.GN2026

Raising Rivals' Costs on Hybrid Platforms: The Complementarity of Fees and Self-Preferencing

Maysam Rabbani, Ram Sewak Dubey

Hybrid platforms disadvantage third-party sellers through the platform fee and self-preferencing, and regulators have worried that constraining either instrument may intensify the…

econ.TH2026

On the construction and representation of social welfare orders satisfying consequentialist equity axioms

Ram Sewak Dubey, Giorgio Laguzzi

In this paper we examine the constructive nature of social welfare orders on infinite utility streams satisfying Strong Equity, Hammond Equity, or the Pigou--Dal…

econ.GN2026

Price Cap vs. Per-Unit Subsidies: Selection, Pricing, and Cross Subsidization

Ram Sewak Dubey, Maysam Rabbani, Rodrigo Pinto

We evaluate subsidy mechanisms in the FCC's Rural Health Care program using administrative data covering the full population of participants. The original price-cap mechanism remov…