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Past, Present and Future Developments in New Zealand's Terms of Trade - WP 06/09

Appendix 1 – Data Description and Source

The annual real GDP (1991-1992 prices) data from 1950 to 2005 used in Section 2.3.1 is sourced from the Statistics New Zealand long-term data series. The long-term data for New Zealand’s export and import prices up until 2001 come from Briggs (2003). This data is drawn from work by Easton (1984) and McIlraith (1911). It is updated to 2005 using Statistics New Zealand OTI data.

The data sources for Section 3 are shown in Table 1 below. The long-term data for New Zealand’s export and import prices are from the same sources as the data used in Section 2.3.1. However it is extended back to 1900 and then converted into US dollar terms by dividing through by the NZ/US exchange rate. The data on the world commodity and world manufacturing prices in US dollars are taken from Grilli and Yang (1988). Using the IMF’s International Financial Statistics, this data is updated to 2005.

Appendix Table 1 – Data Sources for Section 3
Series (annual data) Date Source
World Commodity Prices 1900-1986 Grilli and Yang Commodity Price Index - Grilli and Yang (1988)
1987-2005 Updated by author using IMF’s International Financial Statistics (IFS) data
World Manufacturing Prices 1900-1986 Manufacturing Unit Value (MUV) data - Grilli and Yang (1988)
1987-2005 Updated using IMF MUV series
New Zealand Export Prices 1900-2001 New Zealand Institute of Economic Research (NZIER), Briggs (2003)
2002-2005 Statistics New Zealand OTI series
New Zealand Import Prices 1900-2001 NZIER, Briggs (2003)
2002-2005 Statistics New Zealand OTI series
NZ/US Exchange Rate 1900-1960 NZIER, Briggs (2003)
1961-2005 Reserve Bank of New Zealand (RBNZ)
Composition and Destination of New Zealand’s Exports 1900-2001 NZIER, Briggs (2003)
2002-2005 Statistics New Zealand OTI series
Exports by Level of Processing 1988-2001 Statistics New Zealand TREC data used in Black, Vink and White (2003)
Composition and Source of New Zealand’s Imports 1983-2005 Statistics New Zealand
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