No shit, Sherlock: In Portugal, for most of 2022 to this day, the price of 1L own/white brand of semi-skimmed milk (one of the most basic and essential staple foods) has been the exact same - to the cent - on all different supermarket chains (Lidl, Audi, Auchan, Jerónimo Martins, Intermarché, Sonae, Dia, etc.) operating here. And, it has risen in steady small increments at exactly the same time in all of them, multip…
Negative. In America, the labels set their prices, this was first brought to focus by Coca Cola. They had an issue where the stores were driving the price higher to increase margins. Coca Cola started the five cent advertising campaign where they set the price. You can see this with bread items here, they place the price on the bag / sticker / wrapping technology.
There was a push by the stores to allow them to discard what the manufacturer set the price to, but the courts said no to that. This was the appliance manufacturers effort.
Why the profit margins, governments make is so hard to compete with the established players through regulatory compliance, the incumbents can. I have not seen increased profits in my business, and I had to increase the prices. That was done because of input costs. The manufacturers may be making more because they have found costs savings due to input prices going down Or they increased prices to factor in future increases