• Strategy-proof and envyfree random assignment 

    Basteck, Christian; Ehlers, Lars (Centre interuniversitaire de recherche en économie quantitative, 2020-12-22)
    We study the random assignment of indivisible objects among a set of agents with strict preferences. We show that there exists no mechanism which is strategy-proof, envyfree and unanimous. Then we weaken the latter requirement to q-unanimity: when ...
  • Three public goods and lexicographic preferences : replacement principle 

    Ehlers, Lars (Centre interuniversitaire de recherche en économie quantitative, 2021-03)
    We study the problem of locating multiple public goods for a group of agents with single-peaked preferences over an interval. An alternative specifies for each public good a location. In Miyagawa (1998) each agent consumes only his most preferred ...