- Knowledge of the large aggregates involved in the construction industry.
- Institutions that intervene
- MF, Autonomous Communities (Cataluña, Navarra, País Vasco)
- General description (main variables)
- Personnel and hours worked, personnel cost, production carried out, sub-contracts granted, consumption of materials and energy, income, expenses, stocks, capital goods transactions, taxes. By sample.
- Companies in the sector and self-employed workers in construction
- Frequency of data collection
- Budgetary credits necessary for its finance in the four-year period 1997-2000 (in thousands pesetas)