Description of the variables contained in the file DATA.dta

"subjects" is the subject indicator. It takes values from 1 to 97.

"task" indicates the task number. It takes values from 1 to 40.

"timeoutlimittreatment" indicates the time limitation treatment. It equals: 5 under treatment 5sec; 10 under treatment 10sec; 999 under treatment NTL.

"peopleinlineservera" indicates the number of people queuing at server A.

"peopleinlineserverb" indicates the number of people queuing at server B.

"averagewaitingtimeservera" indicates the average waiting time per person in seconds at server A.

"averagewaitingtimeserverb" indicates the average waiting time per person in seconds at server B.

"entrycostserverb" is the entry fee of server B in ECUs.  

"servicelinejoined" takes values: 1 if the subjects chooses to join server A; 2 if the subject chooses to join server B; 999 if no choice is made within the time limit.

"responsetime" is the time the subject takes to make her decision in seconds. When a choice is not made, it is replaced by the time limit in that treatment. 

"round" is the number of the trial in which the subject faces that particular task.