To check this, the central bank has tripled interest rates and used hard currency reserves (now reduced to $10 billion in ready cash) to buy back rubles.
( ( To ( check this ) ) ( , ( ( the ( central bank ) ) ( ( has ( ( ( tripled ( interest rates ) ) and ) ( ( ( used ( hard ( currency reserves ) ) ) ( -LRB- ( ( now ( ( reduced ( to ( ( $ 10 ) billion ) ) ) ( in ( ready cash ) ) ) ) -RRB- ) ) ) ( to ( ( buy back ) rubles ) ) ) ) ) . ) ) ) )
(ROOT (S (S (VP (TO To) (VP (VB check) (NP (DT this))))) (, ,) (NP (DT the) (JJ central) (NN bank)) (VP (VBZ has) (VP (VP (VBN tripled) (NP (NN interest) (NNS rates))) (CC and) (VP (VBN used) (NP (JJ hard) (NN currency) (NNS reserves)) (PRN (-LRB- -LRB-) (VP (ADVP (RB now)) (VBN reduced) (PP (TO to) (NP (QP ($ $) (CD 10) (CD billion)))) (PP (IN in) (NP (JJ ready) (NN cash)))) (-RRB- -RRB-)) (S (VP (TO to) (VP (VB buy) (PRT (RP back)) (NP (NNS rubles)))))))) (. .)))
The central bank's interest rates have tripled in margin.
( ( ( The ( central ( bank 's ) ) ) ( interest rates ) ) ( ( have ( tripled ( in margin ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ central) (NN bank) (POS 's)) (NN interest) (NNS rates)) (VP (VBP have) (VP (VBN tripled) (PP (IN in) (NP (NN margin))))) (. .)))