of mixed, semiprivate and semipublic company, which can perform even projects below a break-even point, as it can take advantage of the government-industry cooperation. Company (3 supplies electricity from CSPS at the same rates as those on Earth. The sales are to start at the price asked for on Earth. As it is still at the stage of public service, the revenue of surplus-making Division a is used to support the service activities of deficit-making Division /3, as far as the overall business of both a and /3 systems do not become negative in macroaccount. However, any saving of the Earth’s fund for investment in power generation facilities, that results from power supply from space, is accumulated and carried over to the capital account of CSPS special corporation. At a point in Phase C when the internal rate of return of System /3 becomes positive, System /3 is separated from System a in order to reorganize CSPS special corporation into an independent joint stock company. The privatization of NTT (Nippon Telegraph and Telephone Public Corporation) that has recently been accomplished, should be closely observed as a precedent. In this way, Phase D or a space electric power company will reach its golden age. Congratulations! But, one more issue must be considered, namely the criteria for value measurement and evaluation. In particular, how can the input-output analysis of energy within System a be performed? This system produces new medicines, new materials and satellite function services, and sells them to the Earth economy. It purchases economic goods, except land, from the Earth to make those products. For the moment, we can use the conventional econometrics for such input-output analysis. However, the problem is the viability of System a. Here the concept of energy cost and available energy or exergie can be used as a scale for measurement of the viability, in order to obtain evaluation criteria independent of the monetary value system of the Earth economy. These criteria are free from the effects of inflation and exchange rate fluctuations and, as such, they provide an economic evaluation method which eliminates all monetarily converted values, but calculates the cost benefit of resource, energy and products in energy unit (kwh, kcal, etc.) per unit weight.
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