Again we have the leader economy (a), with parameters as above.
The follower (b) is supposed to represent a (delayed) capitalist economy catching up with a leader just as discussed in catch up :

Two handicapped follower shall represent a socialist economies:
Both have a smaller c-value c=0.6 leading to a considerably altered graph. One of them has the same growth of productivity level as the capitalist follower economy (c), the other handicapped follower has it's productivity level diminished to 80 percent of the capitalist folllower (d).

Handicapped followers (c) and (d) peak at much higher values of Li, the order of the four peaks is (2check):
lowest: capitalist follower (b)
next: leader (a)
next: follower with capitalist productivity level (c)
highest: follower with reduce productivity level (d)