“…To prevent such an extreme case, in the experiments we report here, we have fixed parameters related to population size using data from our own research in Patagonia (Barceló, Del Castillo, Mameli, Moreno, & Saez, 2011; Barceló, Del Castillo, Mameli, Moreno, & Videla, 2009; Del Castillo, 2012). We programmed 300 agents, with an average of four labor units each.…”