what is the relationship between machines in use to sales how does the ratio of the machines in use to the sales ratio influence the efficiency of the market how does market efficiency affect sales how to measure efficiency in a market what is the relationship between the number of agents and the market? how to understand the relationship between efficiency vs maturity calculating market maturity of machines how to measure market efficiency how does market efficiency improve what's the relationship between machine efficiency and market maturity? when does the market mature how to calculate market maturity how to calculate market maturity of new machinery what is the relationship between market maturity and market efficiency how has the market become efficient over time how to find out the relationship between market maturity and efficiency. how to find out which market type is better who drives increase efficiency in market how does market maturity affect market efficiency? what would be one reason for the increased efficiency of the market?