Socialism can involve that (decentralised planning is possible)
In communism - as there is no need for the suppression of reactionary classes anymore - the socialist state ceases to exist in terms of what we know as a “state”
Administration of the economy can and will still exist in the post-“socialist world republic” (ie. communist) world
Communism involves, almost by definition, a centrally planned economy. That isn’t really possible without a state.
Socialism can involve that (decentralised planning is possible)
In communism - as there is no need for the suppression of reactionary classes anymore - the socialist state ceases to exist in terms of what we know as a “state”
Administration of the economy can and will still exist in the post-“socialist world republic” (ie. communist) world