Fig. 3
From: Nudging cooperation among agents in an experimental social network
Average Cost for Sending Inquiries (in ECUs) per Session. We sum the number of inquiries of each player and take the average in each round to calculate the average cost. The number of rounds varies between sessions (86 rounds in B1, 51 in B2, 73 in N1 and 57 in N2). Note that the inquiry cost corresponds to the number of inquiries sent per player in a round