This is likely explained by the characteristics of the services sector in LDCs, wherein a large part consists of traditional and mostly informal services, which tend to consume more traditional forms of energy and fuel as compared with modern forms of energy. The reciprocal causality between electricity supply and structural transformation is found for agriculture and industry for both LDCs and ODCs. For those sectors which are most dynamic in ODCs — manufacturing and services — however, there is a difference between these groups of countries.