 Complete the following phrase:  Since 2008, Menahem has also participated in the Forum for Alternative Indicators of Riches FAIR more known according its French acronym which was founded in order to monitor the activities of the Commission on the Measurement of Economic Performance and Social Progress chaired by Joseph Stiglitz. Following this path, he has contributed to elaborate the critical analysis of the final report of this commission. In 2011, he published on the web-site of the UNCSD Rio  20 Conférence a paper arguing to enlarge well-being indicators that the United Nations general secretary will have to implement after the Rio20 Conference. In June 2012, he participated in the 