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Sharing a River among Satiable Countries
(Université de Montréal. Département de sciences économiques., 2006-07)
With diminishing global water reserves the problem of water allocation becomes increasingly important. We consider the problem of efficiently sharing a river among a group of satiable countries. Inducing countries to ...
Matching Markets under (In)complete Information
(Université de Montréal. Département de sciences économiques., 2007-02-01)
We are the first to introduce incomplete information to centralized many-to-one matching markets such as those to entry-level labor markets or college admissions. This is important because in real life markets (i) any agent ...
Free Triples, Large Indifference Classes and the Majority Rule
(Université de Montréal. Département de sciences économiques., 2007-03)
Oligarchies in Spatial Environments
(Université de Montréal. Département de sciences économiques., 2007)
In spatial environments we consider social welfare functions satisfying Arrow’s requirements, i.e. weak Pareto and independence of irrelevant alternatives. Individual preferences measure distances between alternatives ...
Externalities, Potential, Value and Consistency
(Université de Montréal. Département de sciences économiques., 2008-04)
We provide new characterization results for the value of games in partition function form. In particular, we use the potential of a game to define the value. We also provide a characterization of the class of values which ...
Manipulation via Capacities Revisited
(Université de Montréal. Département de sciences économiques., 2009-03)
This paper revisits manipulation via capacities in centralized two-sided matching markets. Sönmez (1997) showed that no stable mechanism is nonmanipulable via capacities. We show that non-manipulability via capacities can ...
Allocation via Deferred-Acceptance under Responsive Priorities
(Université de Montréal. Département de sciences économiques., 2009-12)
In many economic environments - such as college admissions, student placements at public schools, and university housing allocation - indivisible objects with capacity constraints are assigned to a set of agents when each ...
Choosing Wisely: The Natural Multi-Bidding Mechanism
(Université de Montréal. Département de sciences économiques., 2005)
Pérez-Castrillo and Wettstein (2002) propose a multi-bidding mechanism to determine a winner from a set of possible projects. The winning project is implemented and its surplus is shared among the agents. In the multi-bidding ...
Respecting Priorities when Assigning Students to Schools
(Université de Montréal. Département de sciences économiques., 2006)
We consider the problem of assigning students to schools on the basis of priorities. Students are allowed to have equal priority at a school. We characterize the efficient rules which weakly/strongly respect students’ ...
Top-Cycle Rationalizability
(Université de Montréal. Département de sciences économiques., 2005)
We identify necessary and sufficient conditions for the choice set from every subset A of a (finite) universal set X to coincide with the top cycle in A of some fixed tournament on X.