UPSC Prelims 2015EconomyQuestion 2 of 17The problem of international liquidity is related to the non-availability of -Agoods and servicesBgold and silverCdollars and other hard currenciesDexportable surplusSee explanationLinked Syllabus ConceptsRevision notes for concepts tested in this PYQ.External Sector Vulnerabilities & Balance of Payments (BoP) Crisis