Transforming homo economicus into homo ludens: A field experiment on gamification in a utilitarian peer-to-peer trading service

Ajzen, 1991, The theory of planned behavior, Organizational Behavior and Human Decision Processes, 50, 179, 10.1016/0749-5978(91)90020-T

Avedon, 1971

Bandura, 1993, Perceived self-efficacy in cognitive development and functioning, Educational Psychologist, 28, 117, 10.1207/s15326985ep2802_3

Bhattacherjee, 2011, Understanding information systems continuance: an expectation–confirmation model, MIS Quarterly, 25, 351, 10.2307/3250921

Caillois, 1961

Cialdini, 2001, Harnessing the science of persuasion, Harvard Business Review, 79, 72

Cialdini, 2001

Csíkszentmihályi, 1990

Davis, 1989, Perceived usefulness, perceived ease of use, and user acceptance of information technology, MIS Quarterly, 13, 319, 10.2307/249008

Deci, 1985

Deci, 1999, A meta-analytic review of experiments examining the effects of extrinsic rewards on intrinsic motivation, Psychological Bulletin, 125, 627, 10.1037/0033-2909.125.6.627

Deterding, S., Dixon, D., Khaled, R., and Nacke, L. From game design elements to gamefulness: defining gamification. In Proceedings of the 15th International Academic MindTrek Conference: Envisioning Future Media Environments, Tampere, Finland, September 2011, ACM Press, New York, NY, 2011.

Electronic Entertainment Design and Research. EEDAR study shows more achievements in games leads to higher review scores. 2007. Available at www.eedar.com/News/Article.aspx?id=9.

Festinger, 1954, A theory of social comparison processes, Human Relations, 7, 117, 10.1177/001872675400700202

Gartner. Gartner says by 2015, more than 50 percent of organizations that manage innovation processes will gamify those processes. Engham, UK, April 12, 2011. Available at www.gartner.com/it/page.jsp?id=1629214.

Gartner. Gartner says by 2014, 80 percent of current gamified applications will fail to meet business objectives primarily due to poor design. Stamford, CT, November 27, 2012. Available at www.gartner.com/it/page.jsp?id=2251015.

Goldstein, 2008, A room with a viewpoint: using social norms to motivate environmental conservation in hotels, Journal of Consumer Research, 35, 472, 10.1086/586910

Hamari, J., and Koivisto, J. Social motivations to use gamification: an empirical study of gamifying exercise. In Proceedings of the 21st European Conference on Information Systems, Utrecht, Netherlands, June 5–8, 2013, forthcoming.

Hamari, 2010, Game design as marketing: how game mechanics create demand for virtual goods, International Journal of Business Science and Applied Management, 5, 14

Hamari, J., and Eranti, V. Framework for designing and evaluating game achievements. In Proceedings of Digra 2011 Conference: Think Design Play, Hilversum, Netherlands, September 14–17, 2011.

Hamari, 2011, Building customer relationship through game mechanics in social games

Hirschman, 1982, Hedonic consumption: emerging concepts, methods and propositions, Journal of Marketing, 46, 92, 10.2307/1251707

Hsieh, 2008, Understanding digital inequality: comparing continued use behavioral models of the socio-economically advantaged and disadvantaged, MIS Quarterly, 32, 97, 10.2307/25148830

Huotari K., and Hamari, J. Defining gamification: a service marketing perspective. In Proceedings of the 16th International Academic MindTrek Conference, Tampere, Finland, October 3–5, 2012, New York: ACM Press, New York, NY, 2012.

Jakobsson, 2011, The achievement machine: understanding Xbox 360 achievements in gaming practices, Game Studies, 11, 1

Kivetz, 2006, The goal-gradient hypothesis resurrected: purchase acceleration, illusionary goal progress, and customer retention, Journal of Marketing Research, 43, 35, 10.1509/jmkr.43.1.39

Klein, 1999, Goal Commitment and the goal setting process: conceptual clarification and empirical synthesis, Journal of Applied Psychology, 84, 885, 10.1037/0021-9010.84.6.885

Ling, 2005, Using social psychology to motivate contributions to online communities, Journal of Computer-Mediated Communication, 10, 4, 10.1111/j.1083-6101.2005.tb00273.x

Locke, 1990

Malone, 1981, Toward a theory of intrinsically motivating instruction, Cognitive Science, 4, 333, 10.1207/s15516709cog0504_2

Martocchio, 1992, Effects of feedback and cognitive playfulness on performance in microcomputer software training, Personnel Psychology, 45, 553, 10.1111/j.1744-6570.1992.tb00860.x

McGonigal, 2011

Montola, M., Nummenmaa, T., Lucerano, A., Boberg, M., and Korhonen, H. Applying game achievement systems to enhance user experience in a photo sharing service. In Proceedings of the 13th International Academic MindTrek Conference: Everyday Life in the Ubiquitous Era, Tampere, Finland, 2009, ACM Press, New York, NY, 2009.

Nunes, 2006, The endowed progress effect: how artificial advancement increases effort, Journal of Consumer Research, 32, 504, 10.1086/500480

Ryan, 2006, Motivational pull of video games: a self-determination theory approach, Motivation and Emotion, 30, 344, 10.1007/s11031-006-9051-8

Salen, 2004

Sharetribe FAQ. 2013. Available at www.sharetribe.com/en/faq.

van der Heijden, 2004, User acceptance of hedonic information systems, MIS Quarterly, 28, 695, 10.2307/25148660

Van de Ven, 2011, The envy premium in product evaluation, Journal of Consumer Research, 37, 984, 10.1086/657239

Vargo, 2004, Evolving to a new dominant logic for marketing, Journal of Marketing, 68, 1, 10.1509/jmkg.68.1.1.24036

Venkatesh, 1999, Creation of favorable user perceptions: exploring the role of intrinsic motivation, MIS Quarterly, 23, 239, 10.2307/249753

Webster, 1992, Microcomputer playfulness: development of a measure with workplace implications, MIS Quarterly, 16, 201, 10.2307/249576

Zaichkowsy, 1994, The personal involvement inventory: reduction, revision, and application to advertising, Journal of Advertising, 23, 59, 10.1080/00913367.1943.10673459

Zichermann, 2011