from otree.api import * c = cu doc = '' class C(BaseConstants): NAME_IN_URL = 'PUBLIC_GAMES' PLAYERS_PER_GROUP = 3 NUM_ROUNDS = 1 ENDOWMENT = cu(100) MULTIPLIER = 1.8 class Subsession(BaseSubsession): pass class Group(BaseGroup): total_contribution = models.CurrencyField() individual_share = models.CurrencyField() my_field = models.IntegerField() def assign_(group: Group): players = group.get_players() contribution = [p.contribution for p in players] group.total_contribution = sum(contribution) group.individual_share = ( group.total_contribution*C.MULTIPLIER / C.PLAYERS_PER_GROUP ) for p in players: p.payoff = C.ENDOWMENT - p.contribution + group.individual_share class Player(BasePlayer): Contribution = models.CurrencyField(label='How much would you like to contribute?', max=C.ENDOWMENT, min=0) class Contribute(Page): form_model = 'player' form_fields = ['Contribution'] class ResultsWaitPage(WaitPage): after_all_players_arrive = set_payoffs class Results(Page): form_model = 'player' page_sequence = [Contribute, ResultsWaitPage, Results]