In this issue we have:

• Beware of Popular Kids Bearing Gifts: A Framed Field ExperimentJingnan Chen; Daniel Houser; Natalia Montinari; Marco Piovesan
  
• Behavioral public choice: A surveySchnellenbach, Jan; Schubert, Christian
  
• Peer Pressure and Productivity: The Role of Observing and Being ObservedSotiris Georganas; Mirco Tonin; Michael Vlassopoulos
  
• No Two Experiments are IdenticalEpstein, Larry G.; Halevy, Yoram
  
• Are groups 'less behavioral'? The case of anchoringMeub, Lukas; Proeger, Till
  
• Do Emission Trading Schemes Facilitate Efficient Abatement Investments? An Experimental StudySilvester van Koten
  
• Referral Incentives in CrowdfundingNaroditskiy, Victor; Stein, Sebastian; Tonin, Mirco; Tran-Thanh, Long; Vlassopoulos, Michael; Jennings, Nicholas R.
  
• Fairness Through the Lens of Cooperative Game Theory: An Experimental ApproachGeoffroy De Clippel; Kareen Rozen
  
• Buying and Selling Risk - An Experiment Investigating Evaluation AsymmetriesWerner Güth; Matteo Ploner; Ivan Soraperra
  
• Group lending or individual lending? Evidence from a randomised field experiment in MongoliaAttanasio, Orazio; Augsburg, Britta; de Haas, Ralph; Fitzsimons, Emla; Harmgart, Heike
  
• Negotiating to Avoid "Gradual" versus "Dangerous" Climate Change: An Experimental Test of Two Prisoners' DilemmaScott Barrett; Astrid Dannenberg
  
• Prospect Theory for Online Financial TradingYang-Yu Liu; Jose C. Nacher; Tomoshiro Ochiai; Mauro Martino; Yaniv Altshuler
  
• Behavioural Economics and TaxationTill Olaf Weber; Jonas Fooken; Benedikt Herrmann