Calculation of the Variance in Surveys of the Economic Climate

@inproceedings{Alcaiz2006CalculationOT,
  title={Calculation of the Variance in Surveys of the Economic Climate},
  author={Manuela Alca{\~n}iz and {\`A}lex Costa and Montserrat Guillen and Carme Luna and Cristina Rovira},
  year={2006}
}
Public opinion surveys have become progressively incorporated into systems of official statistics. Surveys of the economic climate are usually qualitative because they collect opinions of businesspeople and/or experts about the long-term indicators described by a number of variables. In such cases the responses are expressed in ordinal numbers, that is, the respondents verbally report, for example, whether during a given trimester the sales or the new orders have increased, decreased or… CONTINUE READING