Instructions

During this experiment, you cannot speak or interact with other participants in the lab room. In this study, you will be in a randomly formed group of {{ Constants.players_per_group }} participants. You will have 2 minutes to make a decision on how to allocate your endowment. Your endowment consists of a randomly assigned number of tokens within the uniform distribution of 6 to 14 tokens. Meaning that the probability of being assigned 6 is a probability of 1/9 or 11.1% and it is the same probability of being assigned any amount between 6 and 14. The group has the opportunity to undertake a joint project. Each participant in the group decides how much she or he is going to contribute to the project. Contribution could be any integer from 0 to the total original endowment. Another participant will be randomly assigned to you for each round and will receive a random amount of tokens in the same manner.

In some of the {{ Constants.num_rounds }}, a tax of {{ Constants.tax }} tokens will be imposed. In these rounds, {{ Constants.tax }} tokens will be removed from your private account and be automatically placed in the public account. While you can choose more to contribute, none of the tokens deducted by the tax can be transferred back to your private account. The tax affects all participants in the same way. During this time, you may change the values chosen for each account on the screen as many times as you like and then lock your final decision into the system by clicking 'Next'. Between rounds there will be a 30 second break period and you will be randomly assigned to a group with a different subject. You and all of the other subjects will remain anonymous throughout the experiment and will be compensated anonymously at the end of the experiment.

Between rounds there will a debrief of each round with two questions and a waiting period for all players to make their decisions. You will be randomly assigned to a group with a different subject. You and all of the other subjects will remain anonymous throughout the experiment and will be compensated anonymously at the end of the experiment.

On the your screen you will see your personal endowment and the tokens given to the other player you are paired with for that round. You will have to contribute all of your tokens to either you private account or the shared public account. However, you cannot contribute more than your endowment for that round. Your partner’s contributions will not be reflected on your screen. Each token is worth $1 in your private account. Each token in the public account is worth $1.50; however, this value will be split evenly between you and the other subject. Experimental dollars will be converted to USDollars at the end of all rounds with a conversion rate of $1 experimental dollar = $0.75 USDS.

The earnings from the project are calculated as follows: The contributions of all {{ Constants.players_per_group }} participants are added up, the total contribution is multiplied by a factor of {{ Constants.multiplier }}, and the resulting amount is the total earnings from the project, which is evenly split among all {{ Constants.players_per_group }} participants. Your payoff equals your earnings from the project, plus the amount you did not contribute. One of the rounds you play will be randomly selected for your final payoff.

Additionally, you are eligible to receive an extra $5 fee (USDS) for answering the debrief questions after each round. Correct answers in the debrief round will be reward with $1 USDS. You can earn up to $10 USDS from correct answers.