The contribution of the manufacturing sector to the GRDP of South Sumatra Province is 19.72 percent in 2020. A large percentage of GRDP does not necessarily indicate the potential of the processing industry to become a leading sector, so it is necessary to identify the leading processing industry sector. So that this study aims to identify the competitiveness of the leading processing industry sub-sector. The method used are Static Location Quetionts (SLQ), Dynamic Location Quetionts (DLQ), Dispersion Power Index (IDP), Sensitivity Index (IDK) which uses an overlay method to identify sub-sectors of the processing industry. Meanwhile, to determine the competitiveness of the leading processing industry sub-sector is using Shift-Share Dynamic analysis. Using the secondary data sourced from the Indonesia Statistics, the input-output table in 2016 and previous study from 2016-2020. The findings show that from the 16 sub-sectors of the processing industry, there are 3 sub-sectors which include the leading processing industry, namely the food and beverage industry; paper and paper goods industry, printing, and reproduction of recording media; and the chemical, pharmaceutical and traditional medicine industries. Food and beverage industry sub-sector; and the paper industry, and paper goods, printing and reproduction of recording media have competitiveness and specialization. Meanwhile, the chemical, pharmaceutical and traditional medicine industries have no specialization but are competitive.

The Covid-19 pandemic has not only impacted the health sector, but also in the economic and social sectors. Social restrictions and decreased purchasing power of the community led to a decrease in economic activity, especially lower-layer businesses or so-called ultra-micro enterprises. In addition to stimulus or physical capital, social capital is also required for a business sustainability. Social capital is conceptually a relational relationship obtained from social interaction between ultra-micro enterprise. Trust indicates that there is a network that shows a link between individuals or groups that interact with each other continuously so that a trust between members is formed. The network that generates benefits that lead to interdependence between members. Values and norms become the basis of the formation of social capital because it becomes the basis in the formation of a reciprocal relationship between individuals or groups. The elements contained in social capital that has the potential to be the efforts of businesses in maintaining their business. Respondents in this study numbered 85 customers, selected using random sampling. Hypothesis testing is conducted with multiple regression analysis. The results of this study are social capital positive and significant influence on the business sustainability of ultra micro debtors PT. Pegadaian (Persero) area Lampung.

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