Regional income is an input in economic development. This sector includes local original income, balancing funds, and other legitimate income which is used as regional government capital in an effort to improve better regional economic development. This research aims to analyze the efficiency of the public sector, namely district/city regional income in East Java Province which consists of local original income (PAD), balancing funds, and other legitimate income as input variables in efforts to carry out economic development as seen from GRDP, HDI, and the number of people who are not poor as output variables for indicators of regional economic development. The results of this research are that there are five regions in East Java Province in 2017-2021 that are efficient, namely Bojonegoro Regency, Gresik Regency, Pasuruan Regency, Kediri City, and Surabaya City, while in 2020 there are six efficient regions, an increase of one other area, namely Regency Banyuwangi, which achieved a relative efficiency level of 100%, is apart from the five regions which were previously efficient in using input to produce output based on analysis using the Data Envelopment Analysis (DEA) method.

The strategically placed Surabaya Kriya Gallery (SKG) Siola Tunjungan in the city center is one batik MSME that is gaining attention. Through the use of original designs, coloring methods, and marketing strategies, SKG Siola Tunjungan has worked to develop batik with a dash of originality and creativity. Nonetheless, a thorough feasibility study must be carried out to guarantee the company's survival and expansion.
The purpose of this study is to evaluate the SKG Siola Tunjungan Batik UMKM company's viability in Surabaya. Qualitative descriptive research is part of this study design. Interviews, documentation, and questionnaires are the methods used in this study to collect data.
Based on financial analysis using the feasibility Benefit Cost Ratio (B/C) which divides income by total costs. The highest value obtained was 0,89 and the lowest was 0,38, so the Batik UMKM business run by batik entrepreneurs in Surabaya Kriya Gallery (SKG) Siola Tunjungan was considered suitable to operate. Financial aspects are analyzed using Revenue Cost Ratio (R/C) feasibility analysis which divides income by total costs. The highest value obtained was 1,89, while the lowest was 1,38. The financial aspect was also analyzed using Return On Investment (ROI) feasibility analysis, namely dividing the income by investment costs multiplied by 100. The highest value obtained was 0,85%, while the lowest was 0,66%.

The improving condition of the regional economy can be seen through economic growth, of course this cannot be separated from the support of an increase in investment value. Lamongan Regency's long-term economic development aims to increase sustainable economic growth by providing investment opportunities for investors. A good investment climate is needed by investors so that their investments have a positive impact. Regional economic development hopes to have good progress and can increase the GRDP of Lamongan Regency. Various efforts have been made by the regional government to promote Lamongan Regency with the aim of attracting investor interest so that GRDP and Regional Income increase, as well as having a direct impact on equitable development in all fields. In this situation, there needs to be a phenomenal instrument to encourage the investment climate, by calculating 17 GRDP economic sectors, to find out which economic sectors have a basic economy, and this needs to be supported by the Lamongan Regency Regional Regulation. The GRDP of Lamongan Regency from 2017-2021 is a description of the economic activities of 17 GDP economic sectors which are experiencing fluctuations. Economic structure based on business field, rate of economic growth in a region, increase in prices of goods and services over one year, determination of base and non-base sectors, development of investment value based on target and realization, development of gross fixed capital formation, investment opportunities seen through the ICOR approach . The role of regional government as regional leaders and OPD as regional government organizers, needs to support economic activities so that GRDP in 2022 increases. Using the ICOR value can predict the amount of investment in the four sectors, namely the Agriculture, Forestry and Fisheries sectors amounting to IDR 7,115,508,510,000.00, the Processing Industry sector amounting to IDR 12,289,068,850,000.00, Wholesale and Retail Trade sector; Car and Motorbike repairs amounting to IDR 21,761,325,480,000.00, Real Estate sector amounting to IDR 2,809,442,040,000.00. This results in a prediction of the GRDP value increasing to Rp. 28,853,394,420,000 and investment/capital investment requirements to increase the GRDP of Lamongan Regency amounting to Rp. 15,580,832,990,000.00, this economic sector needs to be supported by a Regional Regulation concerning Providing Incentives and Facilitation of Regional Investment which has a positive impact on Investment and absorbs Lamongan Regency workforce.