Introduction
Protectionism refers to the use of trade barriers, such as tariffs, quotas and subsidies, to shield domestic industries from foreign competition. While economic theory largely favours free trade because of the gains from comparative advantage and specialisation, there are circumstances under which protectionist policies may be justified. These are usually grounded in attempts to correct market failures, to promote long term strategic interests, or to prevent economic instability. However, protectionism is also associated with significant drawbacks, including inefficiency, retaliation from trading partners and rising costs for consumers.
Justifications for protectionism
The infant industry argument
One of the most common justifications is the infant industry argument. It suggests that nascent industries need temporary protection to develop the capabilities, scale and efficiency needed to eventually compete on their own. Without such protection, these fledgling industries might be crushed by established foreign rivals that already enjoy cost and technological advantages.
Malaysia's national car project, Proton, illustrates how protection in the name of nurturing an infant industry can fail. Launched in the 1980s with the vision of creating a globally competitive domestic carmaker, Proton was heavily protected through import tariffs, quotas and preferential government procurement, intended to give it the space to mature. Decades later it had still not developed the expected competitiveness. It struggled with low productivity, limited innovation and weaker build quality than its Japanese and Korean rivals. Without sustained pressure to compete, Proton became complacent, car prices for Malaysian consumers stayed high, and resources were poorly allocated. The case shows the risk of an infant industry becoming permanently dependent on protection, especially where the protection is not time bound or tied to clear performance benchmarks.
The anti dumping argument
Protection can also be justified against predatory dumping, where foreign firms deliberately sell goods below market price, sometimes below cost, to capture market share and drive domestic competitors out, before raising prices once dominant. Governments may impose anti dumping duties to restore fair competition, as both the EU and the US have done against certain Chinese steel products. It is important to note, however, that not all dumping is predatory. Lower foreign prices may simply reflect comparative advantage or temporary oversupply, and consumers may benefit in the short run, so anti dumping measures should be evidence based and used with care.
Arguments against protectionism
Retaliation and trade wars
One of the clearest dangers is retaliation. When a country raises tariffs or quotas, its trading partners may respond in kind, sparking trade wars that depress global trade and growth. The US and China trade war saw tit for tat tariffs on hundreds of billions of dollars of goods, raising input costs, disrupting supply chains and holding back investment. Protection thus tends to lower net exports, reduce aggregate demand, and through the multiplier effect contract national income and output.
Beggar thy neighbour effects
Protection can also be a beggar thy neighbour policy, where one country's gains come at another's expense. By shielding its own industries it reduces demand for imports, cutting its partners' export revenue, lowering their aggregate demand and raising their unemployment. Those countries may then cut their own imports in turn, worsening the global slowdown and damaging the very trading system that underpins shared growth.
Higher costs and lower standards of living
Protection often raises prices for consumers and producers alike. Tariffs lift domestic prices and reduce consumer surplus, while firms that rely on imported inputs face higher costs that may be passed on. The result can be cost push inflation, which is especially damaging in an open economy like Singapore that depends heavily on imports, eroding the real standard of living of lower income households and widening inequality.
Evaluative conclusion
Protection may look attractive in specific contexts, for strategic sectors, for genuine infant industries, or against unfair foreign competition, but it is a tool to be used sparingly. Proton is the cautionary tale: short term breathing space can harden into long term inefficiency and consumer harm once protection becomes entrenched. Even where it is justified, protection should be time bound, performance based and transparent, with a clear plan to phase it out once the targeted industry matures. In the broader picture free trade remains the preferred route to efficiency, innovation and global welfare. Protection can be justified under certain economic conditions, but it is seldom the optimal long term strategy, and its unintended consequences often outweigh its short term benefits.