sentences:  In these respects, ACE has been characterized as a bottom-up culture-dish approach to the study of economic systems.ACE has a similarity to, and overlap with, game theory as an agent-based method for modeling social interactions.But practitioners have also noted differences from standard methods, for example in ACE events modeled being driven solely by initial conditions, whether or not equilibria exist or are computationally tractable, and in the modeling facilitation of agent autonomy and learning.