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| Characteristic | Description | 
|---|---|
| Name | Uncertainty regarding the evolution of business activity (Balance) of construction by Economic activity (Division - CAE Rev. 3); Monthly | 
| Regularity | Monthly | 
| Source | Statistics Portugal, Short-term statistics on business - construction and public works survey, 2025 | 
| First available period | May 2021 | 
| Last available period | October 2025 | 
| Dimensions | 
								
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| Concepts | 
								
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| Definition | Difference between the share of negative evaluation responses ("decreased", "worsened somewhat", "very unfavourable", "probably not", etc.) and positive evaluation responses ("increased", "improved very much", "above average", "good", "yes, for sure", etc.). These calculations do not include the share of neutral responses ("perhaps", "the same", etc.) and "doesnt know". | 
| Measure unit (symbol) | Percentage (%) | 
| Power of 10 | 0 | 
| Observations | |
| Last update date | 30/10/2025 | 
				information presented in 4/11/2025