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Instructions
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In this study, you will be randomly assigned to a group of {{ Constants.players_per_group }} participants.
Each participant in the group can choose to harvest from a stock of salmons each round. The initial stock is
{{ Constants.fish_stock }} units. Each salmon is worth {{ Constants.fish_value }}$.


Each participant in the group decides how much he or she is going to harvest.  For each harvested salmon, a bear will
also be detracted by the stock of bears. Each bear in the ecosystem is worth {{ Constants.bear_value }}$.

At the end of each round, the sum of all salmons harvested by the group will be deducted by the stock and each
participant will be paid. Each participant will get {{ Constants.fish_value }}$ per harvested salmon,
plus {{ Constants.bear_value }}$ per bear remained in the ecosystem.

After every harvesting round, the two stocks grows again at an unknown recovery rate.  When the stock goes below an
unknown threshold, the recovery rate falls. If the total group harvest exceeds the available fish stock at any time,
the group loses and the game ends.

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