Causes of Unemployment and the Nature of the Economy in Policy Choice

Answer

Part (a)

Unemployment refers to those who are able and willing to work but cannot find suitable employment, measured by the unemployment rate. Its causes fall into three main types, and the two economies in the stem illustrate two of them.

Demand-deficient (cyclical) unemployment. This type rises in recessions, when aggregate demand is insufficient to buy the full-employment level of output. Firms accumulate unsold stock, then cut production and, since labour is a derived demand, cut employment. Samoa illustrates this: a poor global outlook depresses tourism — an export of services — lowering Samoa’s aggregate demand and national output, and raising cyclical unemployment.

Structural unemployment. This type arises when the economy transforms and the skills employers demand no longer match those the unemployed offer. A permanent fall in demand for an industry’s output, or the rise of labour-saving technology, cuts demand for particular skills, and displaced workers cannot easily be absorbed elsewhere because of occupational immobility. The United States illustrates this: automation displaces workers in manufacturing who lack the skills for emerging sectors.

Frictional unemployment. This type is the short-term unemployment that occurs while qualified workers and vacancies are matched, owing to imperfect information in the labour market. Workers who leave jobs, and fresh graduates entering the workforce, are unemployed for a period while searching, because employers and job-seekers are not fully informed about one another.

Part (b)

A government can use fiscal, monetary, exchange-rate and supply-side policies against unemployment. The nature of an economy — its size and openness — does shape that choice, but my thesis is that it does so only to a limited extent: the root cause of the unemployment, and the constraints the government faces, weigh more heavily.

The nature of the economy matters for demand-deficient unemployment. Large, less open economies (China, the USA) have large domestic markets, so consumption is a big share of GDP. Demand-management tools that act on $C$ — expansionary fiscal policy (lower taxes, higher $G$) and monetary policy (lower interest rates) — are then potent, leveraging a large multiplier. The Federal Reserve cutting rates to spur consumption is the textbook case. Such economies can also use protectionism — tariffs to switch expenditure towards domestic goods — since they are less reliant on imports and less exposed to retaliation. Small, open economies like Singapore, where exports and investment dominate, instead lean on exchange-rate depreciation to raise the price competitiveness of exports, lifting net exports and aggregate demand. Here the nature of the economy genuinely steers the policy.

But the root cause of unemployment matters more. Demand-management is useless against structural or frictional unemployment, regardless of the economy’s size. If the cause is a skills mismatch, any government turns to long-run supply-side policy — retraining and upgrading (Singapore’s SkillsFuture and reskilling schemes; US Department of Labor programmes). If the cause is frictional, both large and small economies use short-run supply-side measures — job fairs, employment agencies, better labour-market information. The choice is driven by the cause, common across economy types, not by the nature of the economy.

Constraints also matter. Faced with demand-deficient unemployment, a government with a large budget deficit may avoid expansionary fiscal policy and use monetary policy instead, since cutting rates does not strain the budget; conversely, a government whose interest rate is already near zero must turn to fiscal or exchange-rate policy. These choices follow from constraints, not from the nature of the economy.

Judgement. The nature of an economy affects policy choice only to a limited extent. It is the root cause of unemployment that should be identified first, because only then can a government match the instrument to the problem and avoid policy mismatches — using exchange-rate depreciation against a skills mismatch, say, would worsen inefficiency rather than cut unemployment. The nature of the economy then helps refine the choice among the appropriate instruments — it tells a government which demand-side tools have the most grip — and the constraints it faces narrow the field further. An optimal policy comes from a combined analysis of all three: cause first, nature second, constraints third. The nature of the economy is therefore a real but subordinate consideration, most relevant once the cause has already been diagnosed as demand-deficient.