But price isn't the only determinant of a market for Mr. Mobius.
The same study concluded that "the only determinant common to female and male video-game players was a greater reliance on the internet for social support".
Various theorists are split as to whether the rules are the only determinant of moral behavior or not.
The only obvious determinant of value remaining to the mass of people is the value that was assigned in the past.
Genes aren't the only determinants of how our bodies function.
Note that the capital costs are not the only determinant of the cost of the electricity produced.
Boundaries, though, are not the only determinants of layout.
No one claims that advertising is the only determinant of tobacco consumption or smoking prevalence: to do so would be absurd.
Consider a simple case: a perfectly competitive market where fuel is the sole input used, and the only determinant of the cost of work.