Absolute purchasing power parity the Big Mac Index The implied PPP exchange rate: Yuan11/$3.41=Yuan3.23/$ Compare the implied PPP exchange rate with the actual exchange rate: (Yuan3.23/$-Yuan7.60/$)Yuan7.60/$=-58%Absolute purchasing power parity the Big Mac Index The implied PPP exchange rate: Yuan11/$3.41= Yuan3.23/$ Compare the implied PPP exchange rate with the actual exchange rate: ( Yuan3.23/$ -Yuan7.60/$ ) /Yuan7.60/$ =-58%