:   the computer's channel that the experiment program will be communicating across during the experiment
public market
: a market between subjects
private market
: a market between a subject and the experimenter
: people categorized by the markets they're in, their inventories and loans
: subcategory of types that have different order sets in their private markets.
order set
: the buy/sell orders the experimenter places

All resources are carried over between periods.  This cannot be change through the web based interface.  In addition, you cannot set-up production through this interface.  All these changes must be made directly to the config file by Travis.


You need to select a base port for the experiment to run on (this must be a multiple of 100).  Use the "telnet" or "ssh" program to connect to eeps4 (Ask Prof. Plott for login and password).  At the prompt, type "netstat -atn" to get a list of ports in use.  These should appear after the colon in the "local address" column that netstat outputs.  Pick a port between 5000 and 30000 that is not being used and is a multiple of 100.


Go to

Try to avoid making mistakes while entering information on the setup pages, because going back may cause problems or at least require you to reenter a whole page of information.  If you do make a mistake you can change it afterwards by making modifications to the config file (see Running Marketscape Experiments)

On the first webpage:
1) Choose "Create New Parameter File"
2) Select a source directory - usually the newest directory available
3) Set the experiment start date and time - a delay code in the software will automatically start the experiment at this date and time if you run the setup immediately  (see "setup" below)
4) Enter your name in the "Experimenters Name" box
5) Click "Select Source and Parameters" button

On the second webpage
1) The First Subject ID should be set to 101 then set the Last Subject ID to allow the number of participants desired.  If you allow many participants this can slow down the process of loading private markets and cause delays for people participating in the experiment so you should set this number to the maximum you want/expect to participate in the experiment.
2) Resources used in experiment include the currency used and the list of assets traded, delimited by spaces.  By convention this is typed in lower case letters.  Only use letters, since other characters such as the underscore are used internally and cause problems.  
3) In the "Public Markets" box you should include the names of all the public markets, delimited by spaces.  By convention, the name of each market is the name of the asset traded in that market, typed in upper case.  Once again, only use letters, since other characters may cause problems.  
4) Identify the number of "types" to include in the experiment - you can also have sub-types of each type.

a) "Types" have different inventories of currency and assets, different loans and different private markets.
b) "Sub-types" have different order sets in their private markets.

5) Enter the port number that you verified at the beginning.
6) Click "Submit Part 1"

On the resources page:
1) Enter an amount of assets and currency for the experimenter.  The experimenter will sell or buy units from the participants in their private markets.  Remember this amount has to be sufficient to cover all the orders that people submit from their private markets.
2) Observer 1 is just an ID for anyone who wants to look into the experiment without participating.  Thus, the observer is generally not given any assets, loans or currency.
3) For each type of participant you need to enter the amount of assets and currency that they start with.  This needs to be determined based on what behavior you are expecting from the different types.
4) You also have the option of giving people loans.  At the end of the experiment this loan must be repaid from the money participants have earned.  It is not advisable to give someone a loan without providing any assets initially.  The entry blank for loans doesn't do anything except mention to the subjects that the money is a loan.  Hence you must still include initial money of the same amount when giving a loan.
5) Under public markets, you have to identify the asset traded in the different market and the currency used for these trades.  For simplicity the market and resource traded in that market should be the same.
6) Multiple order sets allow you to change the orders that participants receive in their private market - this allows market shocks.  Different order sets also allow you to vary the period length (see order sets below).  You can enter as many order sets as you want for the experiment - more order sets means more data entry.
7) Under private markets you can identify the assets which different types of participants are allowed to trade with the experimenter.  These must be associated with one of the resources that you identified originally.  They should be entered as "Private*" where the * is to be replaced with the resource traded - by convention, the p and the resource should be capitalized (i.e. PrivateX).
8) You can now choose to allow subtypes.  As mentioned previously, subtypes have the same endowment of resources, loans, and private markets but different order sets in their private markets.
9) Click "Submit Part 2"

Order Sets page:
1) Enter the number of periods and length of periods in each of the order set.
2) Under Private Markets, enter the resource to be traded in each private market - again for simplicity this usually corresponds exactly with the name of the market.
3) As payment enter the resource to used as currency in the different private markets.
4) Under private orders, you need to enter the orders that will be placed in the private markets of each type and subtype for each of the different order sets.  This allows you to set their "value" for different assets. Note that the experimenter will be placing these orders.  "Buy" means that the experimenter will place a buy order in the private book.   
5) The format of the order should be a space-delimited list of prices indicating the price that the experimenter will accept for each unit.  For example, if the experimenter sells the first unit at 35, the second unit at 40, the third at 45, the fourth at 50, and the fifth at 55, then you should enter "35 40 45 50 55".
6) Click "Submit Part 3"

Final Webpage:
1) This page allows you to set the parameter save file, the experiment directory, the experiment URL and the database where the experiment results are saved.  Everything should be left as the default.  Remember to record the URL of the experiment.    
2) Passwords should also be left as the default.
3) Click "Submit Final Part"


1) Connect to eeps4 with telnet (ask Prof. Plott for the login and password).
2) Change directory to exp by typing "cd exp"
3) You can verify that the parameter file is correct if you wish.  You can manually correct any errors in the parameter file with a text editor if you so choose, but it is more difficult (see Running Marketscape Experiments).  To install the experiment type "./inst" and then choose the number associated with the corrected experiment you just created.  Once you install the experiment, you will be unable to uninstall it.
4) Once the files for the experiment have been generated go to the directory associated with your experiment by typing "cd *" where "*" should just be the date if you stuck with the defaults.
5) In this directory start the Perl script by typing "./"
6) Once you have started the Perl script the experiment will automatically begin at the time and date set.


1) Generic default instructions and announcements will be appended to the experiment when you setup the experiment.  These files are called "instructions.html" and "news.html" respectively. To change these you can either create a new webpage or edit the default html files.

a) For new instructions, create new html files and save them to the appropriate locations on eeps4 overwriting the default files.
b) To edit existing Instructions or Announcements just use a text editor and type any instructions you want.

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