The two most common methods are the World Bank Residual Model and the DOTS-based Trade Mispricing Model, which uses the IMF's Direction of Trade Statistics (DOTS) database to analyze discrepancies in trade statistics between partner countries.
Dua cara yang paling lazim adalah World Bank Residual Model dan DOTS Trade Mispricing Model yang memanfaatkan pangkalan data Direction of Trade Statistics (DOTS) milik IMF untuk menganalisis kejanggalan statistik perdagangan antarnegara.