It's easy to implement through regulation, just pass a law that says it costs peanuts. But this easily results in shortages (if production is unsubsidized) or t

It's easy to implement through regulation, just pass a law that says it costs peanuts. But this easily results in shortages (if production is unsubsidized) or tax hikes / lower living standards (if production or import is subsidized using money that could be spent elsewhere).