4.5 OTHER PROBLEMS AND IMPLICATIONS In addition to the issues discussed thus far, SPS may also affect other movements of industry and population. These other effects would include relocations caused by expansions of (1) the aerospace and solar technology industries, (2) other industries contributing to SPS deployment and, (3) siting of the Heavy Launch Vehicle (HLV) facility. While ”spin-off” impacts such as these could be expected from any large-scale program, they may be especially important in an effort as large as SPS. Implementation of the present concept would cause sizeable shifts of the nation’s manpower in terms of both occupational structure and spatial location. These shifts could have important consequences for the metropolitan areas of Boston, Houston, Los Angeles, Miami, Seattle and other centers of aerospace activity. The primary stimulus of SPS jobs, combined with attractions of related export-base industries and secondary economic activity, would generate growth and socioeconomic impact. Since these relocation effects must be planned for in the future, they should be examined as part of the societal assessment. However, we would emphasize that these relocations are substantially easier to assess than the effects that rectennae siting may have on industrial and population relocations since precedent exists for assessing aerospace impact. Since it is more difficult to assess the economic and demographic impacts of rectennae siting, it is also necessary to initiate research on this subject early in order to develop the complete analysis which is essential. The ’’critical path" requires starting on the more difficult part of the needed research first.
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