Agricultural commodity prices are low once again, sparking the return of the supply management advocates. Supply Management Redux Agricultural commodity prices are low once again, sparking the return of the supply management advocates. University of Tennessee professor Daryll E. Ray is again trotting out the policy proposal while inaccurately arguing that, "agriculture is different from other sectors of the economy in that self-correction (from excess production) in agricultural commodity markets is not timely." Indeed, the thousands of businesses that failed in other industries during consolidation would likely argue that the cause was untimely market correction. Most industries that are unregulated progress through a consolidation curv...