"profitable" in the sense of bigger dachas, more holidays, bigger medals, better Uni for your kids, and more workers of course
"graft" in the western sense was low as there was no cash in the system and no way of getting it out if there was
"oligarchs" only came in when Western bankers arrived in 1990-94 to explain the "benefits" of capitalism and bank accounts in S Ken....
Read Le Carre's "Single & Single".................