We consider the multi-object allocation problem with monetary transfers where each agent obtains at most one object (unit-demand). We focus on allocation rules satisfying individual rationality, no subsidy, efficiency, and strategy-proofness. Extending the result of Morimoto and Serizawa (2015),...

In 56 developing and developed countries, blood component donations by volunteer non-remunerated donors can only meet less than 50% of the demand. In these countries, blood banks rely heavily on replacement donor programs that provide blood to patients in return for donations made by their close...

Intellectual property rights are monopoly rights, which have undesirable welfare properties. Therefore, several studies suggest to use rewards as incentives for innovation instead. However, these studies have thus far had little effect on actual policy, possibly because such rewards may be...

We study the problem of allocating COVID-19 vaccines or other scarce and heterogeneous medical resources to patients. We develop algorithms for maximizing aggregate match-effectiveness subject to fairness and distributional constraints. Our solution uses a novel cutoff characterization result...

We study the classical problem of trade in two-dimensional Euclidean space. It is known that there is no efficient rule for this model that is compatible with dominant strategy incentives, that is, there is no efficient and strategy-proof rule. We observe that, in addition to incentive...

A problem that has plagued market failure discussions is: "why does bad policy exist and persist?" Various schools of thought have answered that question, but I argue that the explanations, while correct, are incomplete. In this paper, I apply the expert failure literature to the problem of...

Economists usually assume that price and quantity are continuous variables, while most market designs, in reality, impose discrete tick and lot sizes. We study a firm’s trade-off between these two discretenesses in U.S. stock exchanges, which mandate a one-cent minimum tick size and a...

We present a Cournot model that compares the critical threshold of collusion in Duopoly and Oligopoly Markets where the actors are private, mixed or public. We assume that the incentive critical threshold for collusion depends on the interconnection fees. The different threshold values...

We investigate the formation of market prices in a new experimental setting involving multi-period call-auction asset markets with state-dependent fundamentals. We are particularly interested in two informational aspects: (1) the role of traders who are informed about the true state and/or (2)...