//-->
Re-examination of price level differentials using economic freedom index
Shaar, Karam, (2016)
Linkage between consumer price index and purchasing power parity : theoretic and empirical study
Chen, Menggen, (2018)
Constructing bounds on per capita income differentials across countries
Hill, Robert J., (2000)
The axiomatic foundations of price indices and purchasing power parities
Eichhorn, Wolfgang, (1982)
Theory of the Price Index : Fisher’s Test Approach and Generalizations
Eichhorn, Wolfgang, (1976)
Theory of the price index : Fisher's test approach and generalizations