The gizmo industry has the following characteristics: over 600 producers with no one producer furnishing more than .5% of the industry’s total output; gizmos produced by different firms carry unique brand names and labels; there are no significant barriers to entry to the gizmo market; there is no economic profit in the long run. The gizmo market is best described as what type of market?

Leading guitar string producer wound up inc. has enjoyed a competitive advantage based on its proprietary coating that gives its strings a clearer sound and longer lifespan than uncoated strings. one of wound up's competitors, however, has recently developed a similar coating using less expensive ingredients, which allows it to charge a lower price than wound up for similar-quality strings. wound up's competitive advantage is in danger due to a. a lack of perceived value b. a lack of organization c. direct imitation and substitution d. resource immobility