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EFFECT OF NEW SEASONALLY ADJUSTED ESTIMATES ON TREND ESTIMATES
TREND REVISIONS
Recent seasonally adjusted and trend estimates are likely to be revised when original estimates for subsequent quarters become available. The approximate effect of possible scenarios on trend estimates for capital expenditure are presented below by illustrating the impact if next quarter's seasonally adjusted estimate rises or falls by a specified percentage (based on the historical average of movements in seasonally adjusted estimates). For further information, see paragraphs 38 and 39 in the Explanatory Notes.
BUILDINGS AND STRUCTURES |
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 |  | TREND AS PUBLISHED | WHAT IF NEXT QUARTER’S SEASONALLY ADJUSTED ESTIMATE: |
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|  |  |  | 1 |  | 2 |  |
 |  |  | rises by 6.7% on Mar 2002 | falls by 6.7% on Mar 2002 |
 | ($m) | % | ($m) | % | ($m) | % |
2001 |  |  |  |  |  |  |
June | 2,313 | 2.6 | 2,313 | 2.6 | 2,313 | 2.6 |
September | 2,384 | 3.1 | 2,380 | 3.4 | 2,392 | 2.9 |
December | 2,378 | -0.2 | 2,378 | -0.8 | 2,373 | -0.1 |
2002 |  |  |  |  |  |  |
March | 2,331 | -2.0 | 2,360 | -3.0 | 2,301 | -0.8 |
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EQUIPMENT, PLANT AND MACHINERY |
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 |  | TREND AS PUBLISHED | WHAT IF NEXT QUARTER’S SEASONALLY ADJUSTED ESTIMATE: |
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|  |  |  | 1 |  | 2 |  |
 |  |  | rises by 4.9% on Mar 2002 | falls by 4.9% on Mar 2002 |
 | $m | % change | $m | % change | $m | % change |
2001 |  |  |  |  |  |  |
June | 7,285 | -1.7 | 7,285 | -1.7 | 7,285 | -1.7 |
September | 7,399 | 1.6 | 7,377 | 1.9 | 7,421 | 1.3 |
December | 7,615 | 2.9 | 7,620 | 2.5 | 7,604 | 3.3 |
2002 |  |  |  |  |  |  |
March | 7,801 | 2.4 | 7,836 | 0.3 | 7,624 | 2.8 |
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TOTAL CAPITAL EXPENDITURE |
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 |  | TREND AS PUBLISHED | WHAT IF NEXT QUARTER’S SEASONALLY ADJUSTED ESTIMATE: |
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|  |  |  | 1 |  | 2 |  |
 |  |  | rises by 4.4% on Mar 2002 | falls by 4.4% on Mar 2002 |
 | $m | % | $m | % | $m | % |
2001 |  |  |  |  |  |  |
June | 9,598 | -0.7 | 9,598 | -0.7 | 9,598 | -0.7 |
September | 9,783 | 1.9 | 9,746 | 2.4 | 9,825 | 1.6 |
December | 9,993 | 2.1 | 10,000 | 1.5 | 9,973 | 2.6 |
2002 |  |  |  |  |  |  |
March | 10,122 | 1.3 | 10,249 | -1.0 | 9,872 | 2.5 |
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