Telefonica, one of the largest telecommunications companies in the world with headquarters in Spain, the issuance of corporate sustainability reports since 2002. In the 2011 Sustainability Report, the company on "materiality matrix", and was one of only five of the 97 companies in Spain, which produced a sustainability report this year. The case describes the purpose of the materiality matrix, as it was designed, and the opportunities the company sees room for improvement. "Hide
by Robert G. Eccles, George Serafeim, Asun Kano Escoriaza Source: Harvard Business School 28 pages. Publication Date: December 17, 2012. Prod. #: 413088-PDF-ENG