infant-industry argument
A new business is like a toddler: clumsy at first, but it might grow into something strong if given a few protected years to find its feet. Now imagine a country trying to start a brand-new industry — say, building cars for the first time. Its first factories are small, inexperienced, and expensive, no match for established giants abroad. If foreign cars flood in freely, the local industry dies in its cradle before it ever gets the chance to grow up. The infant-industry argument says: shield it temporarily, and one day it will stand on its own.
The infant-industry argument is the claim that a young domestic industry, not yet able to compete with mature foreign rivals, should get temporary protection — tariffs or subsidies — until it grows large and experienced enough to survive on its own. The logic leans on real effects: economies of scale (costs fall as output rises) and learning-by-doing (workers and firms get better with practice). Give the infant a few years behind a barrier, the argument goes, and it will eventually reach world-class efficiency, after which protection can be removed and the country gains a competitive new industry it would never have grown otherwise.
The argument is theoretically respectable and has some historical support — several now-advanced economies protected key industries while they developed. But economists treat it with heavy caution for two stubborn reasons. First, governments are bad at picking which infants will actually grow up; they often back losers. Second, and worse, 'temporary' protection has a way of becoming permanent: the protected industry, comfortable and politically connected, lobbies to keep its shelter long after it should have matured, so consumers keep paying forever for a child that never grows up. The honest verdict is that infant-industry protection can work in principle but is treacherous in practice, demanding a credible, enforced sunset date that politics rarely delivers.
South Korea protected and subsidised its carmakers and electronics firms while they were small in the 1960s-70s; some grew into world leaders. But many other countries protected industries that never became competitive, leaving consumers paying high prices for decades behind a barrier that was never lifted.
It can work — but only with a real, enforced deadline most governments never keep.
The two fatal weaknesses are that governments pick winners poorly, and 'temporary' protection tends to become permanent as the sheltered industry lobbies to keep it.