How to advertise?

Marketers face many challenges. Prices and the cost of living are rising, the price is once again coming to the fore, and in addition, the food industry, which is strong in advertising, is threatened with advertising bans. How do these multiple crises affect marketing, media budgets and brand management? How and according to which criteria do people consume and does sustainability remain an important purchase criterion? And (how) do brands position themselves in the field of tension between stinginess is cool again and the desire for sustainability? And what impact would advertising bans have on brands and marketers?