The current rate of motor insurance rates of premium are continually under review, and minor changes in the experience are tolerated, because the cost of making frequent rate changes is prohibitive. Eventually a rate revision becomes necessary and a thorough review is undertaken.
In: Symposium on the Use of Statistical Methods in the Analysis of Road Accidents, held at the Road Research Laboratory (RRL), April 14-16, 1969, published by OECD, Paris, 1970, p. 52-58
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