Survey on environmental protection studies and investments 2015 

Antipol 2015

Sources
Paru le :Paru le17/07/2024
Imprimer
Consulter
Sommaire

Traitement statistique

Frequency of data collection

Annual

Data collection

ANTIPOL 2015 was collected via the Internet and possibly by post (at the company's request).

Current expenditure has been collected every 3 years since 2004.

Unit in which the values are measured :
- Staff at 31/12/2015 (EFF_ETAB), Number of FTEs assigned to the environment (EFF_ENV): in number of persons employed
- Amounts (Studies and investments to protect the investment) : in kilo-euros
- Share of purchases of services (PART_ACHAT), investments for the environment (I3, PART_ENVIR) and breakdown of integrated investments (IE, ID, IA, IG, IB, IS, IP, IR and TOT_PCT): in percentage (%).

Data collection period

The collection period ran from June 16 to October 28, 2016.

Collection mode

  • By post mail
  • By Internet

Survey unit

  • Local unit (of an enterprise)
  • Legal unit

Sampling method

The frame is the statistical directory of companies (SIRUS).

The sampling method is stratification by industry, unit size and location (since the reference year 2014). The allocations are optimized on the amounts of research and investment in previous surveys (Neyman allocation). They are completeness beyond a certain threshold.

Sample size

11,024 units

Data validation

- Controls during the collection phase
- Follow-ups during the collection phase: exhaustive reminders by mail on non-respondents, priority telephone reminders on large non-respondents
- Clearance to ensure consistency of responses within each questionnaire
- Winsorisation: control of the influence of atypical units
- Calculation of precision indicators

Data compilation

See methodological note.