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Edited on Fri Jul-30-04 09:22 PM by 0rganism
What one needs is a baseline against which to measure, to ensure that a price increase can be *isolated* as an effect of an increased wage floor.
The popular economic theory predicts that equilibrium markets will increase price to cover an increased labor cost -- granted that the increase might be minute when distributed over total production. Well, we've had several incremental increases in low-wage labor costs over the last few decades, so we should be able to look at prices for "competitive" goods and services and see that increase reflected directly in the cost. A correllation would be established if we could find instances where the price increase beat that of the inflationary aggregate only in the vicinity (maybe half a year or so) of such a labor cost increase.
> if wages rise and prices do not then profits fall
This could be the case in a non-equilibrium situation, as I understand it. If you were making "economic profit", you might have some wiggle room in pricing to raise wages without affecting point of sale.
> productivity increases and more sales occur with the same level of staff
Once again, this shouldn't matter in a "perfect" equilibrium market where the unit price must cover the entire cost of unit production including labor, and there are no inventory surpluses or backorders.
> productivity increases and the same sales occur with a lower level of staff
This would be something else to check, because one way to reduce labor costs is through laying off workers. So we should be able to link an increase in layoffs to an increase in wage floors.
> when wages rise so must prices.
This would be my guess. I would like to see how much the prices rose, overall I think the effect is extremely small. However, I can't think of a better way to examine the question of whether a particular minimum wage increase would actually benefit workers than by looking at a historical correllation of price points to wage increases.
Of course, now that we have offshoring as a common practice, and the minimum wage hasn't even kept up with inflation for about a decade, the historical record probably isn't too useful either.
edit: > the price increases that do occur are so minor as to the percentage > of the economy they affect that they are drowned out by all other effects.
I wonder what the tipping point would be, then, where a minimum wage increase would directly and noticably affect the price. This has been a classic argument of opposition to living wage, or -- indeed -- any minimum wage at all: "if you increase the minimum wage, prices will increase so much that the worker won't be any better-off."
My instinct is to say that yes, prices would increase, but it would be a miniscule effect in most cases and most affected workers -- except those already very near to the new wage floor -- would stand to increase consumption.
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