EN
Economic effectiveness of investment can be evaluated by several approaches and various methods or indicators can be used in companies. The objective of presented article was to analyze selected methods and groups of indicators in investment effectiveness valuation and their possible impact on better business performance. We asked about four types of methods in questionnaire section aimed in investment effectiveness valuation indicators. Discounted cash flow valuation is only one of several ways of approaching valuation, however, it is the foundation of all other valuation approaches, so we are mainly interested in discounted cash-flow indicators. Presented part of the research has focused on manufacturing enterprises in Slovakia. Our research has statistically confirmed that better business performance is significantly dependent on use of certain investment valuation methods.