This research aims to study how to back up their claims about the chain ladder method. (Chain-Ladder Method) data used in this study is all of the claims. Accident year. Fri. The accident years 2005 through 2009. The company ACE Limited United States contains claims that have been reported. And net claims paid The study calculated the accuracy of forecasting models and stochastic methods ladder chain with an average square error (Mean Square Error: MSE) came from the concept of the Thomas Mack (1993) to compare the accuracy of forecasting. The estimated reserves of the two types of claims
These findings show that. The estimated reserves of the claims that have been reported to be higher than the net pay compensation data and comparing the estimates of reserves. The percentage of claims with an average square error can be seen that the proportion of errors due to forecasts of reserves, estimates between the two models are similar.
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