In this issue we have:

• Do institutions affect social preferences? Evidence from divided KoreaByung-Yeon Kim; Syngjoo Choi; Jungmin Lee; Sokbae 'Simon' Lee; Kyunghui Choi
  
• Voluntary Contributions to Property RightsDavid M. Bruner; John R. Boyce
  
• Peer Pressure and Productivity: The Role of Observing and Being ObservedGeorganas, Sotiris; Tonin, Mirco; Vlassopoulos, Michael
  
• Cooperation and PersonalityProto, Eugenio
  
• The formation of job referral networks: Experimental evidence from ubran Ethiopia:Caria, Antonia Stefano; Hassen, Ibrahim Worku
  
• Race and Marriage in the Labor Market: A Discrimination Correspondence Study in a Developing CountryEva O. Arceo-Gomez; Raymundo M. Campos-Vazquez
  
• Motivating Knowledge Agents: Can Incentive Pay Overcome Social DistanceBerg, Erland; Ghatak, Maitreesh; Manjula, R; Rajasekhar, D; Roy, Sanchari
  
• Social Networks and Peer Effects at WorkBeugnot, Julie; Fortin, Bernard; Lacroix, Guy; Villeval, Marie Claire
  
• The logic of adaptive sequential experimentation in policy design:Xing, Haipeng; Zhang, Xiaobo
  
• Norms of Punishment in the General PopulationS. Bortolotti; M. Casari; F. Pancotto
  
• Data dispersion near the boundaries: can it partially explain the problems of decision and utility theories?Alexander Harin
  
• Reciprocity as an individual differenceKurt A. Ackermann; Jürgen Fleiß; Ryan O. Murphy
  
• Demand for weather hedges in India: An empirical exploration of theoretical predictions:Hill, Ruth Vargas; Robles, Miguel; Ceballos, Francisco
  
• Trust in Cohesive CommunitiesFelipe Balmaceda; Juan Esconar
  
• Bidding Behavior given Point and Interval Values in a Second-price AuctionJason F. Shogren; Jason F. Shogren