Daftar Isi:
  • This research aims to know the influence of working capital and leverage efficiency against profitability. The variables used in this study is the efficiency of working capital, liquidity, and leverage as the independent variable and the dependent variable as profitability. Working capital efficiency is measured by working capital turnover (X1), leverage measured with the debt to equity ratio (X2), and profitability is measured by return on investment (Y). The method used is the quantitative study of associative. The data used in this research is data panel, which is a combination between the data of cross section and time series data are taken from the annual report 5 corporate the company's industry plastics and packaging listed on the Indonesia stock exchange during the five-year period 2009-2013. The results showed that partially working capital efficiency (WCT) not effect on profitability, it can be seen from the value t calculate < t table (0,812 < 2,073). Leverage (DER) effect negative on profitability, it can be seen from the value t calculate < t table (-2,259 < 2,073). Test results showed that the value t calculate < t table (3,138 < 3,44). From the test results it can be concluded that F is the efficiency of working capital turnover and leverage simultaneous not effect on profitability. Keywords: Working Capital Efficiency, Leverage, and Profitability.