3.2.2
Model essay [25]

Policy Approaches Different Countries Can Adopt to Manage the Macroeconomic Challenges of Globalisation

Answer

Globalisation — the deepening integration of economies through trade in goods and services, capital flows and labour mobility — has driven growth, but also generated macroeconomic challenges that provoke the backlash described. The thesis of this essay is that no single policy approach is right for every country: the appropriate response — protectionism, rebalancing, or embracing free trade with supply-side support — depends on the nature of the economy, the government’s constraints, and the root cause of the challenge it faces.

The challenges. First, a loss of comparative advantage: lower trade barriers expose developed economies (US, UK) to lower-cost producers (China, India) in labour-intensive industries. As advantage in electronics shifts from the US to China, the US sees export revenue fall and import expenditure rise, dragging on AD, slowing growth and raising unemployment in export industries. Second, freer labour flows depress wages and raise unemployment where the inflow of cheaper foreign labour outpaces labour demand. Third, for small open economies like Singapore, integration raises vulnerability to external shocks and imported inflation: the 2008 crisis cut export demand and contracted Singapore’s GDP, while heavy import reliance transmits world commodity-price spikes into domestic cost-push inflation.

Approach 1 — Protectionism (e.g. US). A government can slow globalisation’s impact with tariffs and subsidies to buy domestic industries time to adjust.

PriceQuantityDS_dS_wS_w+tariffP_worldP_world+tariff
A tariff raises the price faced by importers from P_world to P_world+tariff; domestic supply expands from Q₁ to Q₂, domestic demand contracts from Q₄ to Q₃, and imports fall from Q₁–Q₄ to Q₂–Q₃. Government revenue is the central rectangle; the two triangles are the production and consumption deadweight welfare losses.

A tariff raises the price of imports, so consumers switch to domestic goods: import expenditure (M) falls and domestic consumption (C) rises, lifting AD, raising national income through the multiplier and creating jobs. Subsidies to domestic producers do the same by lowering their costs and keeping them price-competitive. Evaluation: protectionism fosters allocative inefficiency — protected industries stay inefficient, resources are wasted, and consumers pay higher prices (the deadweight-loss triangles). It also invites retaliation: when the US tariffed Chinese imports, China retaliated on US soybeans, harming the very farmers protection was meant to help, and the wider trade war dragged on third countries like Singapore. Protectionism may therefore fail to address — or even worsen — the challenges, and is at best a short-run device.

Approach 2 — Rebalancing toward domestic demand (e.g. China). A large economy can reduce reliance on exports and FDI while staying open. Expansionary fiscal policy — lower income and corporate taxes, higher government spending and subsidies — raises C and I; expansionary monetary policy — lower interest rates — does likewise. Stronger domestic demand drives growth, reduces demand-deficient unemployment, and cushions the economy against external shocks: a fall in exports can be offset by domestic spending. Evaluation: rebalancing has a long time lag — a saving culture (as in China) changes slowly and requires a credible social-security system before households spend more — and is simply unavailable to small economies like Singapore, whose domestic market is too small to substitute for external demand.

Approach 3 — Embracing free trade with supply-side support (e.g. Singapore). Where protection and rebalancing are infeasible, a small economy must maximise the gains from globalisation while managing its costs. Supply-side policy — R&D investment, skills upgrading, industry clusters yielding external economies of scale — raises efficiency and moves the economy up the value chain, building a new comparative advantage (e.g. Singapore in electronics and pharmaceuticals) to replace the one lost. Lower costs and higher quality raise export competitiveness, revenue, growth and jobs. Signing more free trade agreements lowers import costs (raising SRAS), diversifies import sources to reduce imported-inflation vulnerability, and opens foreign markets to exports. Evaluation: this demands constant restructuring — workers displaced from declining industries face structural unemployment and must be retrained — and supply-side measures have long lags and high fiscal cost, so the short-run challenges persist and only well-funded governments can sustain them.

Judgement. The right approach depends on three criteria. Nature of the economy: protectionism and rebalancing are feasible only for large economies with sizeable domestic markets; small open economies must embrace free trade. Government constraints: supply-side and rebalancing approaches are costly and need fiscal space many governments lack. Root cause and level of development: a developed economy facing a loss of comparative advantage is best served by supply-side policy to build a new advantage — though, given the time lag, a temporary protectionist measure may be justified in the short run to contain unemployment, provided it is unwound before its inefficiencies and retaliation costs dominate. There is thus no universal prescription: the most defensible position rejects protectionism as a durable strategy, favours supply-side adaptation for small open economies and rebalancing for large ones, and treats protection only as short-run, time-limited relief.