Notes
Chapter 1
1. The chain index method uses the value of the variable from the previous period as the base period for calculation of the index value for the current period.
2. We note that the total exports must equal the total imports. However, the values of imports and exports stated in the paragraph are different, and the difference is due to the adjustments of data by the data collection organization, the WTO. The WTO defines commercial services as follows: “Exports and imports of total commercial services, manufacturing services on physical inputs owned by others, maintenance and repair services n.i.e., transport, travel, and the breakdown of other commercial services.”
3. For detailed discussions of the classification of services, see ...
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