Nu se pretează? Nu contează! La noi puteți returna bunurile în 30 de zile
Cu un voucher cadou nu veți da greș. În schimbul voucherului, destinatarul își poate alege orice din oferta noastră.
30 de zile pentru retur bunuri
System dynamics is a method similar to econometrics and mathematical statistics. Normally it is used to provide a rigorous analysis of models in closed systems (a system which is artificially created to simplify certain conditions so that other conditions can be examined in more detail). Here, however, it is used to study capital accumulation, and the economic cycles.