Macroeconomics (ECO2013) Formula and Symbol Sheet for Exam 2 Equations 1 1 Population of employed/unemployed individuals is only measured of citizens aged 16 and over. Symbols y=GDP C=Consumption I=Investment G=Government Expenses NX=Net Exports (x-m) X=exports M=Imports UF=Frictional Unemployment US=structural unemployment UC=cyclical unemployment U*=natural unemployment U=the actual rate of unemployment YF=potential output Y=actual output R=real interest rate I=nominal interest rate Π=inflation PI=price index CVI=Civilian Labor
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