prices.xls - U.S. and U.K. producer and consumer prices from around 1960 to May 1996.

graciela.xls, graciela.txt – data from Kaminsky on US and UK PPI since 1885, and the nominal exchange rate.

mark2.xls, mark1.txt, mark2.txt – data from Nelson Mark (mark1 is text file with headings, mark2 is text file without headings.)

qbareng.txt -- Relative relative price of non-traded goods; measured as UKCPI - UKPPI - (USCPI - USPPI); data from country sources on Datastream; monthly, 1963:1 - 1996:5.