Volume 4, Issue 2, 2011 - hyperion international journal

Figure 11 shows that adding a savings account to the tradingproce sses increases the statistical dispertion for p < 0. 5. This happensbecause the saving works as a mechanism to allow the richest agents togive away less of their total money when they inevitably are selected as abuyer. However for the models associated with the values of p > 0. 5 onecan notice the opposite, that is a savings account decreases statisticaldispertion when compared to the basic model. ( Here the savings accountlimit is set to 1000 money units). Moreover, the effect of adding asecondary savings account to each economic agent has been looked at interms of the richest agent. Because of the fact that the assets of the richestagent can vary hugely due to the stochastic nature of the trading events[15] an average was taken after running the numerical simulation threetimes both with a savings account and without. The Figures, below, wouldstill however vary if they were to be produced again but do show that thesavings account does have an effect on the wealth of the richest agent atthe end of the numerical simulations.a) b)Figure 12. a) The money of the richest agent as a function of the tradingfraction p for two models, with and without savings presented by red andblack dots, respectively. b) The peak position of the money distribution as afunction of the trading fraction p for two models, with and without savings.It is clear that a savings account results in an increase in wealth of therichest agent for the whole range of parameters p