Who pays for kindness?
More space, more bedding and slower growth cost money, so higher welfare usually means higher costs per egg or pound of meat. Someone pays: the farmer, the shopper or the taxpayer. Economists also talk about externalities, costs that fall on someone outside the sale. Whether an animal's suffering is a cost the market should count is a question of values, not just math.
Find the price of a dozen conventional eggs and a dozen pasture-raised eggs at one store. What explains the gap?