from otree.api import * c = cu doc = '\nOne player decides how to divide a certain amount between himself and the other\nplayer.\nSee: Kahneman, Daniel, Jack L. Knetsch, and Richard H. Thaler. "Fairness\nand the assumptions of economics." Journal of business (1986):\nS285-S300.\n' class C(BaseConstants): NAME_IN_URL = 'dictatorParallel' PLAYERS_PER_GROUP = 2 NUM_ROUNDS = 1 ENDOWMENT1 = cu(100) ENDOWMENT2 = cu(100) INSTRUCTIONS_TEMPLATE = 'dictatorParallel/instructions.html' class Subsession(BaseSubsession): pass class Group(BaseGroup): kept1 = models.CurrencyField(doc='Amount dictator decided to keep for himself', label='Ich möchte behalten:', max=C.ENDOWMENT1, min=0) kept2 = models.CurrencyField(label='Ich möchte behalten:', max=C.ENDOWMENT2, min=0) def set_payoffs1(group: Group): p1 = group.get_player_by_id(1) p2 = group.get_player_by_id(2) p1.payoff = group.kept1 +(C.ENDOWMENT2 - group.kept2) p2.payoff = group.kept2 + (C.ENDOWMENT1 - group.kept1) def set_payoffs2(group: Group): p1 = group.get_player_by_id(1) p2 = group.get_player_by_id(2) p1.payoff = group.kept1 +(C.ENDOWMENT2 - group.kept2) p2.payoff = group.kept2 + (C.ENDOWMENT1 - group.kept1) class Player(BasePlayer): Geschlecht = models.StringField(blank=True, choices=[['Mann,Frau,Divers', 'Mann'], ['Frau', 'Frau'], ['Divers', 'Divers']]) class Introduction(Page): form_model = 'player' @staticmethod def is_displayed(player: Player): group = player.group return player.id_in_group == 1 class Angebot(Page): form_model = 'group' form_fields = ['kept1'] @staticmethod def is_displayed(player: Player): group = player.group return player.id_in_group == 1 class Angebot2(Page): form_model = 'group' form_fields = ['kept2'] @staticmethod def is_displayed(player: Player): group = player.group return player.id_in_group == 2 class ResultsWaitPage1(WaitPage): after_all_players_arrive = set_payoffs1 class ResultsWaitPage2(WaitPage): after_all_players_arrive = set_payoffs2 class Ergebnis1(Page): form_model = 'player' @staticmethod def is_displayed(player: Player): group = player.group return player.id_in_group == 1 return True @staticmethod def vars_for_template(player: Player): group = player.group return dict(offer1=C.ENDOWMENT1 - group.kept1) class Ergebnis2(Page): form_model = 'player' @staticmethod def is_displayed(player: Player): group = player.group return player.id_in_group == 2 return True @staticmethod def vars_for_template(player: Player): group = player.group return dict(offer2=C.ENDOWMENT2 - group.kept2) class Ende(Page): form_model = 'player' @staticmethod def is_displayed(player: Player): return player.round_number == C.NUM_ROUNDS return True page_sequence = [Introduction, Angebot, Angebot2, ResultsWaitPage1, ResultsWaitPage2, Ergebnis1, Ergebnis2, Ende]