Daftar Isi:
  • This study aims to determine the relationship of concentration to the profits in the fertilizer industry in IndonesiaBefore And After Reform. The variable used is concentration (CR4) and Price-Cost-Margin (PCM) as a proxy of profits.The data used is time series data during the period 1990-2015, this data using 5-digit processing system called the International Standard Industrial Classification (ISIC), data obtained from the Central Bureau of Statistics Indonesia. This technique uses descriptive quantitative analysis techniques using cross-tabulation analysis techniques or Cross-section Analysis , Correlation Coefficient Test and Elasticity Analysis.The results showed that concentration has a strong relationship to fertilizer industry advantage in Indonesia with positive relationship form.