A paper by Kuhlmann, in List Forum, Band 30, 2004, Heft 1, pp 49-68 is commented. Some most obvious errors are corrected. Three different problems of the electricity industry are identified. These are the management of transmission and distribution networks, the incentives to build sufficient...

If one looks at environmental quality N as a renewable natural resource (with its own natural dynamics) which is changed by emissions Z, then one gets a better understanding of the shape of the damage function. In the case of a logistic growth dynamics one obtains a well-shaped transformation...