Andrew J. Patton, "Estimation of Multivariate Models for Time Series of Possibly Different Lengths", Journal of Applied Econometrics, Vol. 21, No. 2, 2006, pp. 147-173. This data set is a space delimited ASCII file in DOS format, containing 3210 observations on three variables: 1) Date, in YYYYMMDD format. First / last date: 19910102 / 20030630. 2) 100 times the log difference of the Japanese yen / U.S. dollar exchange rate. 3) 100 times the log difference of the Euro / U.S. dollar exchange rate. All entries for dates prior to 1 January 1999 (ie, the first 2051 entries) were given the value -999.99. The data were obtained from Datastream. These data are in the file patton-data.txt, which is zipped in patton-data.zip. Unix users should use "unzip -a". If you have any questions or problems please contact: Andrew Patton London School of Economics Houghton Street London WC2A 2AE United Kingdom email: a.patton@lse.ac.uk