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Modeling total expenditure on warranty claims


  • Abhimanyu Mitra
  • Sidney I. Resnick


We approximate the distribution of total expenditure of a retail company over warranty claims incurred in a fixed period [0, T], say the following quarter. We consider two kinds of warranty policies, namely, the non-renewing free replacement warranty policy and the non-renewing pro-rata warranty policy. Our approximation holds under modest assumptions on the distribution of the sales process of the warranted item and the nature of arrivals of warranty claims. We propose a method of using historical data to statistically estimate the parameters of the approximate distribution. Our methodology is applied to the warranty claims data from a large car manufacturer for a single car model and model year.

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  • Abhimanyu Mitra & Sidney I. Resnick, 2010. "Modeling total expenditure on warranty claims," Papers 1008.1032,
  • Handle: RePEc:arx:papers:1008.1032

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