Concepts
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REFERENCE PERIOD: In extracommunity trade is the calender year during which the goods are imported or exported and is determined by the date of acceptance of the Single Administrative Document by Customs Authorities. In intracommunity trade is the calendar year during which the event that originates the intracommunity transaction occurred, i.e., for arrivals, at the time of receipt of the goods by the company and for dispatches, at the time the goods left the company.
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PRODUCTION INDEX: Relative number that aims to measure changes in production volume at short and regular intervals, relatively to a period of time taken as reference. Under the assumption of stability of technical coefficients, this index also measures the trend of value added in volume.
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ENTERPRISE: Legal entity (natural or legal person) that is an organisational unit producing goods or services, which benefits from a certain degree of autonomy in decision-making, especially for the allocation of its current resources. An enterprise carries out one or more activities at one or more locations.
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CONSTRUCTION: A type of work (buildings, roads, bridges, dams,etc.) connected to the ground and made of construction materials. Ground workfor agricultural purposes (e.g. ploughing) does not fall under the heading of construction.
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TYPE OF CONSTRUCTION WORK: The denomination of works carried out in buildings or plots of land (new construction, enlargements, conversions, refurbishment, demolition, transformation and urbanisation).
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