This paper presents discrete convex analysis as a tool for economics and game theory.
Discrete convex analysis is a new framework of discrete mathematics and optimization …

The evolution of the global coal trade flow among countries impacts coal trade systems
operation, coal resource exploitation and global carbon dioxide (CO 2) emissions. Several …

In the committee voting setting, a subset of k alternatives is selected based on the
preferences of voters. In this paper, our goal is to efficiently compute ex-ante fair probability …

Shared parking is recognized as a promising solution to tackle the parking space shortage
problem in population-dense cities. However, peer-to-peer shared parking by individuals is …

In this paper, we show that stable outcomes exist in matching environments with
complementarities, such as social media platforms or markets for patent licenses. Our results …

Discrete convexity, in particular,‐convexity and‐convexity, provides a critical opening to
attack several classical problems in inventory theory, as well as many other operations …

We show that with indivisible goods, the existence of competitive equilibrium fundamentally
depends on agents' substitution effects, not their income effects. Our equilibrium existence …

Trading networks are an indispensable part of today's economy, but to compete successfully
with others, they must be efficient in maximizing the value they provide to the external …

Purpose This paper aims to examine how the firm's global coopetition network position
impacts market share and to explore the multiple moderating effects of trade network …

Various forms of substitutability are essential for establishing the existence of equilibria and
other useful properties in diverse settings such as matching, auctions, and exchange …