E most profitable trades, areas in the game, and younger players
E most lucrative trades, locations within the game, and younger players have no possibility to enter these industry positions. We’ve checked the very first interpretation by like all players as much as the end of their lifetime, irrespective of irrespective of whether or not 
they were present on day 238, and found only a marginal effect, see Fig. S3 in the SI. Even so, there’s a relation between wealth and lifetime: the richer a player is, the lower the probability that he will leave the game, see Fig. S4 in the SI. Effects of war on wealth is often noticed. The wealth of many cohorts stagnates throughout war and in some cases continues to grow having a slightly THS-044 site diverse slope than prior to. For the younger cohorts, this impact is washed out as a consequence of their broad array of entry dates.Wealth plus the actions of players. Pl;ayers can interact withIndividual behavioral things for wealthInfluence of total activity on wealth. We uncover a trivial powerful linear relation amongst the average wealth of a player and her total activity, SwT a:two:2{2:0906 , see Fig. 3. The corresponding Pearson correlation coefficient is r 0:535 (p value v0{6 ). Figure 4 shows the wealth timeseries of six cohorts of players that joined Pardus during six different time periods. Cohort contains all players who joined on the first day, cohort 2 joined between day 2 and day 200, cohort 3 between day 20 and 400, etc. For each cohort we computed its average wealth from the individual wealth timeseries of its members. For the sample, all players present on day 238 were used. Following a short initial phase, average wealth increases almost linearly. Linear wealthPLOS ONE plosone.orgeach other through trading with each others selling points, communicating, directly exchanging goods (making gifts), attacking, placing bounties, marking each other as friend or enemy, or removing one of these marks. (The direct exchange of goods is called “trade” in [54,55] and is treated as the same as trade in [50]) Trading, communicating, making gifts, friendship marking, or removing an enemy mark are seen as “cooperative ” or “good” actions, while the remaining interactions are destructive or “bad”. For every player i who is active on day 200, we count the actions performed since day 70: the number of trades he initiated ntrade,i , the number of messages he sent ncomm,i , the number of gifts he made ngift,i , the number of attacks he did nattack,i , the number of bounties he placed nbounty,i , the number of other players he marks as friend nzfriend,i or enemy nzenemy,i , the number of friend or enemy marks he removes, n{friend,i or n{enemy,i . The total number of activities follows as ntot,i ntrade,i zncomm,i zngift,i znattack,i znbounty,i znzfriend,i z nzenemy,i zn{friend,i zn{enemy,i . We only consider players with ntot,i w0. For those we define the fraction of one type of action asBehavioral and Network Origins of Wealth InequalityFigure 2. Time evolution of the wealth distribution in the entire society. A Seven day moving average of the change of the average wealth Dw(t). B Powerlaw exponent a(t), C Gini index g(t). D Scaled wealth distribution at four different days (rescaled by average wealth). Gray shaded areas indicate periods of large scale war in the game. A “Christmas charity” event on day 562 led to a redistribution from the wealthy to the poor, PubMed ID:https://www.ncbi.nlm.nih.gov/pubmed/25368524 resulting in a downward jump of the Gini index. The inset shows the exponential recovery to the previous level. doi:0.37journal.pone.003503.gf:,in:,i ntot,i:Accordingly,.