This book constitutes the refereed proceedings of the 10th International Conference on Economics of Grids, Clouds, Systems, and Services, GECON 2013, held in Zaragoza, Spain, in September 2013.The 20 revised full papers presented were carefully reviewed and selected from numerous submissions. The papers are organized in the following topical sections: business models, energy consumption, resource allocation, work in progress on resource allocation, work in progress on pricing, quality of service, work in progress on utility and ROI modeling.

This book constitutes the refereed proceedings of the 11th International Conference on Economics of Grids, Clouds, Systems, and Services, GECON 2014, held in Cardiff, UK, in September 2014. The 8 revised full papers and 7 paper-in-progress presented were carefully reviewed and selected from 24 submissions. The presentation sessions that have been set up are: Cloud Adoption, Work in Progress on Market Dynamics, Cost Optimization, Work in Progress on Pricing, Contracts and Service Selection and Economic Aspects of Quality of Service.