RIBEIRO, Alexandrino Manuel. Certificação da qualidade e desempenho empresarial: uma análise por quantis. []. , 8, pp.201-214. ISSN 1645-9911.

In this paper we intend to analyse the effect of quality certification, as well as a set of other variables, specific to the company and to the industry, on the performance of Portuguese companies considering the different performance levels presented by companies. Results suggest a sensibility to quantiles regression. We highlight the fact that in industries with a high number of companies possessing quality certification the impact of the certificate`s tenure on the companies performance is only significantly positive in companies with lower levels of performance. On the other hand, in these industries, industry characteristics have a significant positive effect on companies performance, specially on companies with high levels of performance.

: Quality Certification; Company Performance; Quantiles Regression; ISO 9000.

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