However, if political realities do not allow for it, generalised per-unit support for low-carbon generation can be a second-best alternative. Cambridge University Press, Cambridge and New York. Cambridge University Press, Cambridge and New York, Table SPM.5, p. 15, and 4.3.4.1 Electricity, Figure 4.19, www.ipcc.ch/pdf/ assessment-report/ar4/wg3/ar4_wg3_full_report.pdf. Journal of Economic Literature, Vol. While major accidents are an issue closely followed by policy makers and the general public alike, actual costs are comparatively low as Chapter 6 shows. System costs (see Chapter 3) are relatively high but since they remain confined to the economic sphere, they fail to arouse the passions of the media, the public and policy-making circles.