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Telecom Economic
Cost Model


Joint and Common Costs

Arizona
- An examination of TSLRIC modeling and joint and common costs, and the extent to which basic local telephone service is subsidized by other services.

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Colorado
- An outline of the relationship between basic local service, toll service, access lines, and the joint and common costs of providing these services.

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Delaware
- A discussion of the recovery of joint and common costs through UNE rates.

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Indiana
- A discussion of the Commission's rulings regarding the treatment of joint and common costs and a critique of the recovery method used by GTE in its cost studies.

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Kansas
- An introduction to various revenue-based and usage-based (SPF and SLU) allocation methods for joint and common costs.

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Ohio
- A discussion of the Commission's rulings regarding the treatment of joint and common costs and a critique of the recovery method used by Cincinnati Bell in its cost studies.

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Ohio
- A detailed analysis of the regulatory treatment of the joint and common cost issue by the Ohio Commission, other state Commissions, and the FCC.

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Ohio
- A critique of the "cost causation" argument commonly used to support the allocation of 100% of joint and common costs to basic local service.

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Public Policy and Regulatory Economics / Ben Johnson Associates, Inc.®