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Selected Work
Selected Work
Distance on Matchings: An Axiomatic Approach
Distance on Matchings: An Axiomatic Approach
Given the different features of matching mechanisms, it is natural to ask how different two matchings are. By means of a distance function, one could quantify the dissimilarity of a mechanism to a particular solution concept. https://econtheory.org/?f=4882 (to appear in Theoretical Economics)
How to choose a fair delegation?
How to choose a fair delegation?
In many situations, individuals participate in collective decision making via a committee of representatives or delegates. Board decisions in large corporations or negotiations over conflict zones require delegates to be sent by different interest groups. We propose normative conditions and seek Pareto optimal, consistent, neutral, and non-manipulable ways to choose a delegation ensuring fairness and inclusivity. Read further here. (Economic Theory, 2021)
On Reward Sharing in Blockchain Mining Pools
On Reward Sharing in Blockchain Mining Pools
As of 2021, almost 90% of the total computational power in Bitcoin blockchain is provided by the top ten mining pools. Consequently, mining pools are probably the most important actors in the blockchain ecosystem. We propose a rich framework for reward sharing schemes in mining pools through an economic design perspective. We discuss various desirable axioms and put particular emphasis on fairness concepts. A comparsion of existing schemes are also analysed. Read further here. (under review)
A re-characterization of the Kemeny distance
A re-characterization of the Kemeny distance
The well-known swap distance (Kemeny, 1959; Kendall, 1938 and Hamming, 1950) was first characterized by Kemeny (1959) with five conditions; metric, betweenness, neutrality, reducibility, and normalization. We show that the same result can be achieved without the reducibility condition, which shows the Kemeny distance is much less demanding than it seems. We provide a new and logically independent characterization of the Kemeny distance and provide some insight to further analyze distance functions on preferences. Read further here
A head‐count measure of rank mobility and its directional decomposition
A head‐count measure of rank mobility and its directional decomposition
The measurement of mobility is an issue that is, by now, well-established in the area of economic and social index numbers. The fundamental issue to be addressed is the design of measures that reflect the extent to which members of a society (or, at a more aggregate level, population subgroups or countries) move across social or economic boundaries from one period to the next. We propose and characterize a new measure of rank mobility index which is given by the head count of those whose positions change in the move from one period to the next divided by population size. Read further here
Economic design of things
Economic design of things
Economics is a social science, so is economic design as a field. This short article discusses the future of economic design in particular and of economic theory in general. The future of economic design is not necessarily in the design of systems under which humans interact. In fact, it is in the design of systems for phenomena that are not always within the scope of social sciences. Read further here
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