Real GDP
2011: (1×100)+(2×50)=200
2012: (1×200)+(2×100)=400
2013: (2×200)+(4×50)=600
Nominal GDP
2011: (1×100)+(2×50)=200
2012: (1×200)+(2×100)=400
2013: (1×200)+(2×50)=300
Deflator
=RealGDPNominalGDP×100
2011:=200200×100=100 %
2012: =400400×100=100%
2013: =600300×100=50 %
% change in nominal GDP
2011-2012: =200400−200×100=100%
2012-2013: =400300−400×100=−25%
% change in real GDP
2011-2012: =200400−200×100=100%
2012-2013: =400600−400×100=50%
% change in deflator
2011-2012: =100−100=0%
2012-2013: =50−100=−50%
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