He asserted that money is endowed with two tendencies, the distributive and the aggregative. Rights set limits on what can be done, even in the pursuit of aggregative well-being. Such a bed is called aggregative, heterogeneous, or bubbling fluidized. This is an aggregative game since formula 11 where formula 12. They are aggregative broadcast spawners, usually with several females per male. ACE also partnered with the ARA to create the Aggregative Contingent Estimation System (ACES). Obviously, any aggregative game is generalized aggregative as seen by taking formula 19. Aggregative games with a continuum of players are frequently studied in mean field game theory. ACE funded the Aggregative Contingent Estimation System (ACES) website and interface on July 15, 2011.