Beer, toothpaste and many other products in the supermarket have become more expensive in recent months.

In the coming months, the grocery jar will only get emptier;

several major manufacturers have announced that they will raise prices and those additional costs are likely to be borne by consumers again.

A visit to the supermarket has become considerably more expensive in the first eight months of this year, market researcher GfK recently calculated.

Daily groceries were 3.6 percent more expensive compared to last year.

More than half of this increase can be attributed to inflation.

The products we put in our cart have therefore become more than 1.5 percent more expensive.

And that price increase seems to come to a large extent from the well-known food manufacturers.

British Unilever, for example, raised the prices it charges supermarkets and wholesalers by 4.1 percent in the third quarter.

Nestlé charged 2.1 percent more.

PepsiCo, Kraft Heinz, Procter & Gamble and Danone all four said they have raised prices worldwide to maintain their profits.

'Perfect storm' for food manufacturers

Manufacturers are currently dealing with a so-called 'perfect storm': food prices are at their highest level in ten years, raw materials such as oil have not been that expensive in years due to the enormous demand and limited supply, ports worldwide are full and there are hardly any to get containers.

In other words: the production and transport of food has become considerably more expensive.

"The price increases are very broad, because the cost increases that we have to deal with are also very broad," Unilever CEO Alan Jope said on Thursday when commenting on the quarterly figures.

"Soybeans, palm oil, tea, coconut, vanilla: it has all become more expensive. But the plastic for packaging and transport of all our products is also becoming more expensive," says Jope.

Consumer will feel price increases

The Unilever CEO expects the current climate of high commodity prices and problems in the transport chain to continue for a while and expects the company to increase prices even further.

"We expect similar price increases in the rest of the year and certainly in the first half of 2022. It will be well into next year before the price increases level off," said Jope.

The question now is whether consumers will notice any of these price increases in the supermarket.

According to Thijs Geijer, sector economist at ING, this depends on the agreements between supermarkets and producers.

The purchase prices of the A-brands are fixed in contracts, which must first expire before new agreements can be made.

The Unilevers and Nestlés of this world will then come up with the higher prices when negotiating a new contract, causing supermarkets to pay more for the products purchased.

And consumers will most likely start to feel those higher costs.

"That is our expectation, yes," says Geijer.

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