Single- versus multi-channel distribution strategies in the German life insurance market: A cost and profit efficiency analysis
Until its liberalisation in 1994 exclusive agents dominated the distribution of products in the German life insurance industry. Since then, their importance has been declining for the benefit of both distribution via direct distribution channel and independent agents. However, the market shares of specialized direct and independent agent insurers have remained small, while multi-channel insurers increasingly incorporate direct and independent distribution channels, and represent the dominant distribution strategy. The aim of this paper is twofold: First, it analyses the performance of single and multi-channel distribution firms in the German life insurance. Thus, we are able to explain the development and the coexistence of the industries' distribution systems. Our study contributes to research on coexistence of different distribution systems in insurance industry which had been limited to the comparison of exclusive versus independent agent insurers so far. Second, our paper gives insight into cost and profit efficiency levels of German life insurance firms for the period 1997-2005, and delivers information about scale economies in the German life insurance industry. Applying an empirical framework developed by Berger et al. (1997) we estimate cost and profit efficiency for three groups of life insurance firms differing in their distribution systems: multichannel insurers, direct insurers, and independent agent insurers. Non-parametric DEA is used to estimate efficiencies for a sample of German life insurers for the years 1997-2005. Testing a set of hypothesis, we find economic evidence for the coexistence of the different distribution systems which is the absence of comparative performance advantages of specialised insurers. Further, we find evidence for scale economies in the German life insurance industry.
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