Finlandization
Concise Oxford English Dictionary © 2008 Oxford University Press:
Finlandization /fɪnləndʌɪˈzeɪʃ(ə)n/ (or Finlandisation /ˌfɪnləndʌɪˈzeɪʃ(ə)n/)
▶noun historical the process or result of being obliged for economic reasons to favour the interests of the former Soviet Union despite not being politically allied to it.
– derivatives
Finlandize (or Finlandise) verb.
Finlandize (or Finlandise) verb.
– origin 1960s: translation of Ger. Finnlandisierung, referring to the case of Finland after 1944.
'Finlandization' also found in these Oxford entries:

