An unguided, yet somehow planned and modelled economy? AIs with total surveillance perhaps? Would need weather-control too or giant surpluses squirreled away i

An unguided, yet somehow planned and modelled economy? AIs with total surveillance perhaps? Would need weather-control too or giant surpluses squirreled away in a distributed fashion. Some kind of ascetic commune, but at global scale? Might work in a military setup when fighting the alien invasion.