Indonesia Conference Directory

Metal and Mineral Mining business in Indonesia is still having a good business projection, it is indicate by the growth of mining company revenue in Indonesia from 2012 to 2017 continue to show growth of improvement. Growth of the revenue is not accompanied by a strong financial ratio growth, indicating that the growth of Net Profit Margin, EBITDA and EBIT from 2012 to 2017 shows negative growth. Based on this phenomenon it is important for metal and mineral mining companies to maintain the efficiency of the company. In this research, 8 metal and mineral mining companies in Indonesia have been measured. The data used are balanced panel data with the period of 2012 until 2017. The mining sector itself is divided into 4 sub-sector, which are coal mining, crude petroleum and natural gas production, metal and mineral mining, and land / stone quarrying. This efficiency research was conducted using Stochastic Frontier Analysis (SFA) method which analyze input and output variables. Stochastic Frontier Analysis is expected to be more adequate than other method, because Stochastic Frontier Analysis does not specifically use one of the company as a benchmark.