This research was aimed at finding out how concentration and efficiency affect benefit viewed from the percentage of Price Cost Margin (PCM) on printing and writing paper industry in Indonesia. The data used in this research were the secondary ones i.e. the data in the period of 1997 until 2011. This research used descriptive and quantitative method. Descriptive analysis was used to analyze the…
This research is entitled, “Concentration and Production Levels of Four- Wheeled-or-More vehicle Industries” and was therefore aimed at identifying concentration and production levels of such industries and their relationship. The secondary data were collected front report dealing with efficiency level, value-added, number of companies, total costs withing the period of 1995 to 2008. A qual…