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How Buyers Purchase in Each Round

In each round, you will compete with 2 other participants, chosen randomly from all other participants. You will choose a price (any whole number between 50 and 100). After all prices are submitted, the computer will determine your units sold as follows.

Buyers

You sell to computerized buyers. Each buyer purchases 2 units of the good. There are three types of buyers. Before setting your price, you will be shown how many buyers of each type are present in the round.

  1. Type-1 buyers: These buyers purchase 2 units from you, regardless of your competitors’ prices.
  2. Type-2 buyers: These buyers compare your price with the price of one other firm, then buy 2 units from the lowest-priced firms.
  3. Type-3 buyers: These buyers compare your price with the prices of two other firms, then buy 2 units from the lowest-priced firms.

Suppose you are firm A and you compete with firm B or firm C for type-2 buyers. If there are 12 type-2 buyers that consider buying the good from you, 6 of them compare prices between you and firm B, and 6 compare prices between you and firm C.

If two or more firms tie for the lowest price, type-2 and type-3 buyers split their purchases equally. For example, if firms A and B set the same (lowest) price, each type-2 buyer in that pair will buy one unit from A and one unit from B.


Payoffs

Your point earnings in each round are computed as:

Point earnings = (your price − your cost) × units sold.


Information After Each Round

At the end of each round, you will see:


Starting the Experiment

We are now ready to begin the decision-making part of the session. Press the “Next” button and follow the prompts on your screen. If you have any questions during the session, please raise your hand and a monitor will assist you privately.

When you are done reading, click “Next” to proceed to a short quiz.

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