On the supply side, droughts and floods have played their part in wrecking harvests, input costs have risen and this has all been compounded by financial speculation in the commodity markets.
Pakkumise poole pealt on põuad ja üleujutused mänginud rolli saakide hävitamisel, sisendkulud on suurenenud ja sellele kõigele lisandub finantsspekulatsioon tooraineturgudel.