But unprofitable heavy industry, state monopolies, and opaque bureaucracies slowly stifled growth.
( But ( ( unprofitable ( heavy ( industry ( , ( state ( monopolies ( , ( and ( opaque bureaucracies ) ) ) ) ) ) ) ) ) ( slowly ( ( stifled growth ) . ) ) ) )
(ROOT (S (CC But) (NP (JJ unprofitable) (JJ heavy) (NN industry) (, ,) (NN state) (NNS monopolies) (, ,) (CC and) (NN opaque) (NNS bureaucracies)) (ADVP (RB slowly)) (VP (VBD stifled) (NP (NN growth))) (. .)))
State monopolies are a major killer of economy. 
( ( State monopolies ) ( ( are ( ( a ( major killer ) ) ( of economy ) ) ) . ) )
(ROOT (S (NP (NNP State) (NNS monopolies)) (VP (VBP are) (NP (NP (DT a) (JJ major) (NN killer)) (PP (IN of) (NP (NN economy))))) (. .)))