Jim Whitney Economics 131
 
 Evidence regarding purchasing power parity
       Inflation-rate differentials versus exchange-rate changes, 1990-1992
 
 
  Arg Bol Brz Chi Col Ec Mex Per Uru Ven
Nominal dollar appreciation (%):
   Predicted:                   63
   Actual: 103  23  6,502  19  51  101  10  563  174  46
Real dollar 
appreciation (+) or 
depreciation (-)
                  -17