Well, surveying individual people is probably less important and easier to leave as rough estimation, than stuff like figuring out gross sales by companies. (And numbers might be easier to measure than beliefs!)
For clues about artist and client business, ideally, a professional association could make an incentive for members to pool knowledge. And some plain numbers aren't hard to figure out, like con budgets.
Well, surveying individual people is probably less important and easier to leave as rough estimation, than stuff like figuring out gross sales by companies. (And numbers might be easier to measure than beliefs!)
For clues about artist and client business, ideally, a professional association could make an incentive for members to pool knowledge. And some plain numbers aren't hard to figure out, like con budgets.