Product diversification in Algerian enterprises : the need for cost controlling and the effect on product quality

الملخص EN

Product diversification is one of the important topics in companies as well as Product quality and cost control.

In this context, this study aims to show its effective role on product quality and cost control.

To do so, author gathered information by questionnaire in a group of companies and analyzed data that obtained using the SPSS.

This study found that there is an effective role of product diversity, customer diversity and geographic diversity on product quality and cost control