What is it called when the government makes a payment to support business or a market?

When the government makes a payment to support a business or a market, it is called a subsidy. Subsidies can take various forms, including direct cash payments, tax breaks, or grants, and are often used to promote economic growth, support struggling industries, or encourage specific behaviors, such as renewable energy adoption. The goal is typically to stabilize prices, encourage production, or enhance competitiveness.