Zhao, Jingyao (Lux). “‘Job Envelope’ Pricing Framework for AI Agents: A Comparative Perspective With Electricity, Telecom and Cloud Pricing Evolution”. Financial Economics Insights 3, no. 2 (April 16, 2026): 1–11. Accessed June 22, 2026. https://soapubs.com/index.php/FEI/article/view/1734.