Avaliação de uma Proxy para a Idade da Firma Utilizando Amostragem Complexa
The importance given to the time of performance of a company, for any economic sector and localization, is of extreme interest in longitudinal and transversal economic studies. A proxy variable for the real company?s age was developed from an algorithm that was constructed based on the longitudinal accompaniment of the maximum times of job of the companies, since the most used databases in Brazilian studies do not possess strictly this kind of information. The comparison was made by applying the complex survey techniques using the information from the Annual Relation Social Information (Rais) and the brazilian Internal Revenue Service. The results had shown high correlation between the real age of the company and the time of maximum job for the year of 2004, indicating to be an efficient proxy variable for the real age, since it incorporates the longitudinal information.
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