This turns the discussion of investment planning, including with respect to infrastructure, into a matter of empirical detail about where scale economies are located and the political economy question of whether or not the developmental state has the requisite institutional capacities to pursue larger- or smaller-scale projects. Power outages are a particularly acute problem in South Asia and sub-Saharan Africa, as indicated in figure 4.2 by the average number of outages suffered by firms in a month. The historical experiences considered below' suggest that they were certainly significant in many success stories. However, even within a framework of unbalanced growth, there are at least two additional issues to keep in mind (Myrdal, 1970).