Confidence indicators in construction

The Business Survey in construction is conducted by the CSB in accordance with the Joint Harmonised EU Programme of Business and Consumer Surveys, using funding of the European Commission.

Business tendency indicators in construction collect provisional information on the economic situation in enterprises of the construction sector, changes thereof, as well as current and future trends and factors limiting construction. The acquired data serve as the basis for short-term economic analysis and forecast.

Enterprise.

Economically active enterprises in construction sector, main kind of economic activity according to codes of NACE Rev. 2 is construction of buildings (F).

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Statistics database

Regular harmonised surveys are coordinated by the Directorate General for Economic and Financial Affairs (DG ECFIN) for different sectors of the economies in all EU countries.

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Industrial business tendency indicators are acquired using statistical report form No. 2-BKJ “Business tendency assessment in construction”. Mainly data are submitted in the form of e-report, other means of submission (mail, e-mail, by the telephone) are less common.

Enterprises are selected for the surveys using targeted stratified sample.

Enterprises are stratified accordingly kind of activity by NACE Rev. 2 and the number of employed. The larger the number of employed in the enterprise, the larger the possibility for this enterprise to be included in the sample.

The sample is created as sample independent of other enterprise sample surveys.

To obtain results on confidence indicators in construction in the country in total, data provided by enterprises are weighted with the number of employees in the enterprise, as well as share of enterprise's sector in construction in total is taken into account. Calculating total confidence indicators in construction by enterprise size groups,  share of enterprise's sector in construction in total is not taken into account.

On each question of the survey breakdown of answers by variants is obtained which is expressed in per cent. From this breakdown net (balance) is calculated as difference among shares of the final answers. For the question with three variants of answers net (N) of answers is calculated according the following formula:

S = ( "+" ) – ( "–" ), where

("+") – share of positive answers ("increased", "above regular") as per cent;

("–") – share of negative answers ("decreased", "below regular") as per cent.

Using net gives opportunity to express answers of the question in one number, changes in answers to this question by periods form simple dynamics row.