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physics.soc-ph2026
Ab initio simulation of market dynamics
Robert S. Farr
We provide simple models for the utility function (or psychology) of an actor trading a multitude of goods for money. In this framework, money has no intrinsic consumption value, b…
physics.soc-ph2014
Easily repairable networks
Robert S. Farr, John L. Harer, Thomas M. A. Fink
We introduce a simple class of distribution networks which withstand damage by being repairable instead of redundant. We prove a lower bound for the expected cost of repair, and sh…