E. Fehr, H. Bernhard, and B. Rockenbach, Egalitarianism in young children, Nature, vol.72, issue.7208, pp.454-1079, 2008.
DOI : 10.1038/nature07155

B. Osatuyi, Information sharing on social media sites, Computers in Human Behavior, vol.29, issue.6, pp.2622-2631, 2013.
DOI : 10.1016/j.chb.2013.07.001

X. Wang, C. Yu, and Y. Wei, Social Media Peer Communication and Impacts on Purchase Intentions: A Consumer Socialization Framework, Journal of Interactive Marketing, vol.26, issue.4, pp.198-208, 2012.
DOI : 10.1016/j.intmar.2011.11.004

T. Hennig-thurau, K. P. Gwinner, G. Walsh, and D. D. Gremler, Electronic word-of-mouth via consumer-opinion platforms: What motivates consumers to articulate themselves on the Internet?, Journal of Interactive Marketing, vol.18, issue.1, pp.38-52, 2004.
DOI : 10.1002/dir.10073

C. Chiu, M. Hsu, and E. T. Wang, Understanding knowledge sharing in virtual communities, Online Information Review, vol.35, issue.1, pp.1872-1888, 2006.
DOI : 10.1016/j.chb.2009.08.002

S. Oh and S. Y. Syn, Motivations for sharing information and social support in social media: A comparative analysis of Facebook, Twitter, Delicious, YouTube, and Flickr, Journal of the Association for Information Science and Technology, vol.59, issue.11, pp.66-2045, 2015.
DOI : 10.1002/asi.20889

S. Ye, H. Chen, and X. Jin, Exploring the Moderating Effects of Commitment and Perceived Value of Knowledge in Explaining Knowledge Contribution in Virtual Communities . The Tenth Pacific Asia Conference on Information Systems, pp.239-254, 2006.

A. M. Munar and J. K. Jacobsen, Motivations for sharing tourism experiences through social media, Tourism Management, vol.43, pp.46-54, 2014.
DOI : 10.1016/j.tourman.2014.01.012

R. F. Baumeister and M. R. Leary, The need to belong: Desire for interpersonal attachments as a fundamental human motivation., Psychological Bulletin, vol.117, issue.3, pp.497-529, 1995.
DOI : 10.1037/0033-2909.117.3.497

W. W. Ma and A. H. Yuen, Understanding online knowledge sharing: An interpersonal relationship perspective, Computers & Education, vol.56, issue.1, pp.210-219, 2011.
DOI : 10.1016/j.compedu.2010.08.004

M. Sicilia, E. Delgado-ballester, and M. Palazon, The need to belong and self-disclosure in positive word-of-mouth behaviours: The moderating effect of self-brand connection, Journal of Consumer Behaviour, vol.22, issue.3, pp.60-71, 2016.
DOI : 10.1362/026725706777978677

A. E. Boardman, D. H. Greenberg, A. R. Vining, and D. L. Weimer, Cost???Benefit Analysis, 2006.
DOI : 10.1016/B978-0-08-097086-8.71068-3

P. Pai and H. Tsai, Reciprocity norms and information-sharing behavior in online consumption communities: An empirical investigation of antecedents and moderators, Information & Management, vol.53, issue.1, pp.38-52, 2016.
DOI : 10.1016/j.im.2015.08.002

Z. Shi, H. Rui, and A. B. Whinston, Content Sharing in a Social Broadcasting Environment: Evidence from Twitter, MIS Quarterly, vol.38, issue.1, pp.123-142, 2014.
DOI : 10.25300/MISQ/2014/38.1.06

H. Weijo, J. Hietanen, and P. Mattila, New insights into online consumption communities and netnography, Journal of Business Research, vol.67, issue.10, pp.2072-2078, 2014.
DOI : 10.1016/j.jbusres.2014.04.015

R. M. Ryan and E. L. Deci, Intrinsic and Extrinsic Motivations: Classic Definitions and New Directions, Contemporary Educational Psychology, vol.25, issue.1, pp.54-67, 2000.
DOI : 10.1006/ceps.1999.1020

URL : http://www.fysio.no/index.php/content/download/29368/282951/file/sdarticle.pdf

R. Aitken, B. Gray, and R. Lawson, Advertising effectiveness from a consumer perspective, International Journal of Advertising, vol.27, issue.2, pp.279-297, 2008.
DOI : 10.4135/9781446216996.n10

A. M. Rubin, The Uses-and-Gratifications Perspective of Media Effects (eds) Media Effects: Advances in Theory and Research, pp.525-548, 2002.

E. Katz, J. G. Blumler, and M. Gurevitch, Utilization of Mass Communication by the Individual, The Uses of Mass Communications: Current Perspectives on Gratifications Research, pp.19-32, 1974.

T. E. Ruggiero, Uses and Gratifications Theory in the 21st Century, Mass Communication and Society, vol.3, issue.1, pp.3-36, 2000.
DOI : 10.1207/S15327825MCS0301_02

D. Boyd, Why Youth (Heart) Social Network Sites: The Role of Networked Publics in Teenage Social Life, Youth, Identity, and Digital Media, pp.119-142, 2008.

M. Karnik, I. Oakley, J. Venkatanathan, T. Spiliotopoulos, and V. Nisi, Uses and Gratifications of a Facebook Media Sharing Group. Understanding People's Practices in Social Networks, pp.821-866, 2013.

K. M. Barton, Reality Television Programming and Diverging Gratifications: The Influence of Content on Gratifications Obtained, Journal of Broadcasting & Electronic Media, vol.53, issue.3, pp.460-476, 2009.
DOI : 10.1080/08838150903102659

D. Mcquail, Mass Communication Theory, 1983.

R. M. Morgan and S. D. Hunt, The Commitment-Trust Theory of Relationship Marketing, Journal of Marketing, vol.58, issue.3, pp.20-38, 1994.
DOI : 10.2307/1252308

K. L. Keller and D. Lehmann, How Do Brands Create Value? Marketing Management, pp.27-31, 2003.

B. W. Dodds, K. B. Monroe, and D. Grewal, Effects of Price, Brand, and Store Information on Buyers' Product Evaluations, Journal of Marketing Research, vol.28, issue.3, pp.307-319, 1991.
DOI : 10.2307/3172866

G. Hofstede, Culture's Consequences: International Differences in Work-Related Values. California, 1980.

H. R. Markus and S. Kitayama, Culture and the self: Implications for cognition, emotion, and motivation., Psychological Review, vol.98, issue.2, pp.224-253, 1991.
DOI : 10.1037/0033-295X.98.2.224

URL : http://people.eku.edu/gorej/psy837/readings/markus%20%26%20kitayama%20%281991%29.pdf

E. Millan and J. Reynolds, Self-construals, symbolic and hedonic preferences, and actual purchase behavior, Journal of Retailing and Consumer Services, vol.21, issue.4, pp.550-560, 2014.
DOI : 10.1016/j.jretconser.2014.03.012

Y. Zhang and L. J. Shrum, The Influence of Self-Construal on Impulsive Consumption, Journal of Consumer Research, vol.35, issue.5, pp.838-850, 2009.
DOI : 10.1177/0146167206286626

J. Brown, A. J. Broderick, and N. Lee, Word of mouth communication within online communities: Conceptualizing the online social network, Journal of Interactive Marketing, vol.21, issue.3, pp.2-20, 2007.
DOI : 10.1002/dir.20082

M. M. Wasko and S. Faraj, Why Should I Share? Examining Social Capital and Knowledge Contribution in Electronic Networks of Practice, MIS Quarterly, vol.29, issue.1, pp.35-57, 2005.
DOI : 10.2307/25148667

M. Burke, C. Marlow, and T. Lento, Feed me, Proceedings of the 27th international conference on Human factors in computing systems, CHI 09, pp.945-954, 2009.
DOI : 10.1145/1518701.1518847

S. Wang and R. A. Noe, Knowledge sharing: A review and directions for future research, Human Resource Management Review, vol.20, issue.2, pp.115-131, 2010.
DOI : 10.1016/j.hrmr.2009.10.001

J. H. Kim, M. Kim, and Y. Nam, An Analysis of Self-Construals, Motivations, Facebook Use, and User Satisfaction, International Journal of Human-Computer Interaction, vol.17, issue.11-12, pp.11-12, 2010.
DOI : 10.1016/j.ijhcs.2007.08.005

M. Villi, J. Moisander, and A. Joy, Social Curation in Consumer Communities: Consumers As Curators of Online Media Content Advances in Consumer Research, pp.490-495, 2012.

S. Chu and Y. Kim, Determinants of consumer engagement in electronic word-of-mouth (eWOM) in social networking sites, International Journal of Advertising, vol.30, issue.1, pp.47-75, 2011.
DOI : 10.1111/j.1083-6101.2006.00310.x