Zastosowanie modelu przyspieszonej porażki do analizy przeżycia małopolskich przedsiębiorstw
The Application of an Accelerated Failure Time Model to the Survival Analysis of Enterprises Founded in Lesser Poland Voivodship

Summary/Abstract: The goal of this research was the survival analysis of enterprises founded in Lesser Poland Voivodship between years 2006–2014. The sample comprising 267 thousands firms was used to examine whether certain factors such as the size of the company, area of its activity and registration place had statistically significant impact on their duration time. All of those proved to be substantial in the course of our study. In general companies belonging to the sector of finance and insurance survived the shortest, whereas the longest duration (even four times longer than in finance and insurance) was among companies from mining sector, public administration, national defense and social insurance. Moreover, the research has proved that while moving further from Cracow, the survival of companies was likely to shorten. The only exception was Tatra Country, where duration was relatively long despite the distance factor. Additionally companies in urban areas were active approximately 9% longer than firms founded in rural ones. To the best of our knowledge this is the first application of an AFT (accelerated failure time) model to survival analysis of companies based on the data from Central European country. In this case its application proves existence of the heterogeneity of the hazard function.

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