Marxist historians such as John Haldon and Chris Wickham have argued that societies interpreted by Marx as examples of the AMP are better understood as Tributary Modes of Production (TMP).
Marxist historians such as John Haldon and Chris Wickham have posited that the societies illustrated by Marx as embodying the Asymmetric Power Model (AMP) are more accurately characterized as instances of the Tributary Modes of Production (TMP).