Before revision:  Using the recently available World Input-Output Database , we modeled the evolving world economic network ( from 1995 to 2011 ) with a series of time-homogeneous finite Markov chains.
After revision:  Using the recently available World Input-Output Database , we modeled the evolving world economic network ( from 1995 to 2011 through analysis of a series of time-homogeneous finite Markov chains.