Question

Using a decision support system to determine market share is a

Answer 1

Using a decision support system to determine a market share is a PRODUCTION FUNCTION.
Decision support system is a tool used by companies to support production planning, competitive market analysis, supply chain analysis and subsequent manufacturing system. The decision support system is made up of information which support decision makers in making suitable decisions form market entry.

Answer 2

Using a decision support system to determine market share is a use of the data system module. This includes getting data on competitors, including their prices for similar items.