An advertising campaign designed to sell one's own products at the expense of other brands is

An advertising campaign designed to sell one's own products at the expense of other brands is a competitive advertising campaign. Competitive advertising is a type of advertising that aims to persuade consumers to purchase one brand's products over those of a competitor. In a competitive advertising campaign, a company may highlight the perceived weaknesses of their competitors' products or offer a comparison between their own product and their competitors'. The goal is to persuade consumers that their product is superior and that they should choose it over the competitors'. This type of advertising can be effective in gaining market share and increasing sales, but it can also create tension and hostility between companies. Therefore, competitive advertising is a common strategy used by companies to gain a competitive edge in the market.