In Austria the Petrol Station are permit only once a Day to increase the price for Petrol. Lower it is unlimited possible.
What does that achieve? I cannot think it achieves anything useful except make some politicians think they are doing something useful. Mostly the best thing they could do is nothing.
How would you feel when 1L Milk cost on Peak Time 5€ and on off Peak 1€ for example?
I would feel it was better to buy milk when it is cheap unless I needed it urgently. The notion that the government should be regulating the price of milk is absurd. In planned economies where this was tried the result was a scarcity of milk. Yet the free market manages to keep us well supplied with milk. You can buy milk anywhere in New York City, London, Paris, Madrid, Berlin... And you probably cant find a single cow in those cities. The free market entices millions of people to work to satisfy the needs of others. It is almost a miracle. We live better than ever because other people have an incentive to satisfy our needs. You want to know what it is like when the price of milk is regulated by the government? Just have a look at Venezuela. The moment the government regulates the price of something you get shortages. People just don't learn.
Well when every Company decide to sell 1L Milk for 5€ how should the Customer choose something elese?
Colluding to affect market prices is illegal pretty much in every civilized country and a few people are caught and marched to jail every year. Now, if you tell me the system is corrupt and does not prosecute enough then the problem is not the market, the problem is corruption and when you have corruption you really do not want to have the corrupt authorities regulating the market.
In Spain, like in any capitalist country, you can buy milk at many different prices. I can buy milk here for 0.55 and I could probably find it for 5.50. People choose according to brand, place, convenience, etc. I can go to Costco in the outskirts and buy in bulk for a very low price or I can buy in central Madrid late at night at a 24 h store for three times as much. I like having that choice and that possibility. The moment the government imposes a limit on the price of milk we will have shortages. Somebody stays open late to sell me milk because they can make a profit. If the government says no profit can be made then that choice disappears and if I'm out of milk I'm fucked. If that milk is too expensive for me then I can wait. What is not going to happen is that government regulation is going to lower the price of milk... or of anything else for that matter. We could study hundreds of examples.
Price regulation has almost never resulted in lower prices. Price regulation results in (1) scarcity, (2) higher prices and (3) black market. This has been historically almost always true and yet people insist we need the government to set prices. No thanks. The free market may have its problems but governments have a terrible history when it comes to supplying our needs. Awfully terrible. If I have to choose who to supply my needs I will almost always choose the free market.
Rent control always results in lower supply and higher prices as we are seeing in Spain these days. If you want lower rent you need to increase supply and you do not increase supply by fucking with the owners. If you fuck with the owners many will decide it is not worth the hassle and take their properties off the market while others increase the rent they ask when you first move in knowing they cannot raise it later. Rent control is utter stupidity and yet a whole bunch of politicians keep proposing it.
Some years ago the government here gave some subsidies to young people to help pay their rent. The result, as was foreseeable, was that rent went up. It's called "supply and demand". Watch the five minute university youtube video linked above. Supply and demand. There is no way of getting around it. You subsidize energy for a certain group? Neighbors can buy electricity at half price from them. The entire family will come and shower and cook at grandma's because it is so much cheaper. I know well of which I speak.