QEF05 - The Quantum Walk

Traditional finance theory has long been based on the idea of the random walk. The quantum version is the quantum walk, which shows very different behavior.
References:
Kempe J (2003) Quantum random walk - an introductory overview. Contemporary Physics 44: 307.
Kvam PD, Pleskac TJ, Yu S and Busemeyer JR (2015) Quantum interference in evidence accumulation. Proceedings of the National Academy of Sciences 112 (34): 10645-10650.