Survey consists of questions about household's expenditure by it's purpose (food, drink, clothing, footwear, rent, etc.), housing conditions, availability of durable consumers goods, heating arrangement, travel, general demographic, economic, and sociological characteristics of population, income, and of one's own production, spent in a household.
Probability: MultistageProbability.Multistage
Face-to-face interview: Paper-and-pencil (PAPI)Personal interviews, Personal CA inteviews (since 2002 CAPI only)Interview.FaceToFace.PAPI