The requisite characteristic for such price gains is indeed scarcity, but not so much that there is not enough for large numbers of buyers to make a market. (michael-hudson.com)
Collusion is more difficult in markets with large numbers of buyers and sellers. (educationworld.com)
High - performance RS versions are no longer available, as Skoda chose to focus on mainstream variants that attract larger numbers of buyers. (drivemag.com)