ABSTRACT
OBJECTIVE:To probe into the interaction between the price of 7-amino-cephalsoranic acid(7-ACA) and the price of its preparation(cefazolin sodium) and to provide reference for price strategy of pharmaceutical enterprises.METHODS:Correlation analysis,autocorrelation analysis and auto-regressive distributed lag were applied to analyze the samples which were collected from monthly selling price of 7-ACA of China Shijiazhuang Pharmaceutical Group Co.,Ltd.during 24 months.RESULTS:There was positive correlation between the price of 7-ACA and the price of cefazolin sodium with correlation coefficient of 0.682 5.The price of 7-ACA and cefazolin sodium are autocorrelative respectively.The price of 7-ACA was influenced by previous price,besides raw material cost,production cost and selling expenditures.The price of 7-ACA changed 3 months later because of previous price.The price of 7-ACA would change 2 months later as the price of cefazolin sodium changed and it changed 1 month later as previous price changed.When the price of 7-ACA changed,the price of cefazolin sodium price would change one month later.CONCLUSION:Effective price strategy should be decided according to the interaction between the price of crude drug and the price of preparation besides the cost of raw materials,production costs and selling expenditures.