This paper has two aims. First, it describes CPB's contribution on bilateral services trade data to version 7 of the GTAP database. Among others, it uses reliability indices to determine the quality of the data reported by exporting and importing countries. Second, this paper discusses briefly...

This memorandum presents some basic equalities and inequalities about rates of return in discrete time, without auto-correlation. The arithmetic and geometric means are discussed. Estimation of the expected payout and the median payout is discussed, including maximum likelihood estimation.

Mirror data are observations of bilateral variables such as trade from one country to another, reported by both countries. The efficient estimation of a bilateral variable from its mirror data, for example when compiling consistent international trade statistics, requires information about the...