import otree.api import random doc = """ One player decides how to divide a certain amount between himself and the other player. See: Kahneman, Daniel, Jack L. Knetsch, and Richard H. Thaler. "Fairness and the assumptions of economics." Journal of business (1986): S285-S300. """ class Constants(otree.api.BaseConstants): name_in_url = 'dictator' players_per_group = 2 num_rounds = 1 instructions_template = 'dictator/Instructions.html' # Initial amount allocated to the dictator endowment = otree.api.Currency(100) class Subsession(otree.api.BaseSubsession): pass class Group(otree.api.BaseGroup): kept = otree.api.models.CurrencyField( doc="""Amount dictator decided to keep for himself""", min=0, max=Constants.endowment, ) def set_payoffs(self): p1 = self.get_player_by_id(1) p2 = self.get_player_by_id(2) p1.payoff = self.kept p2.payoff = Constants.endowment - self.kept class Player(otree.api.BasePlayer): pass