Impact of a Current Account Deficit on the Macroeconomy

Question

In 2016, USA and India were amongst the countries with the largest current account deficit in their balance of payments.

Discuss the impact of a current account deficit on the macroeconomy. [25]

Answer

A current account deficit — a position in which a country’s payments for imports of goods, services, primary and secondary income exceed its receipts — is too often read as an unambiguous symptom of macroeconomic weakness. The thesis of this essay is that no such verdict can be reached in the abstract: whether a deficit harms or helps an economy’s macroeconomic goals — growth, employment, price stability, and the overarching goal of standard of living — turns on its cause, its size and persistence, how it is financed, and the state of the economy running it. The two contexts named, the developed USA and the emerging India, make the point concrete, and the contrast between them organises the evaluation.

Positive: higher present consumption or future potential growth. The first effect depends on the nature of the goods imported. If the deficit reflects imports of consumption goods and services, it raises current material standard of living, since residents enjoy a larger quantity and variety of goods than domestic production alone permits. If instead it reflects imports of capital goods, the present generation forgoes some current consumption, but the economy’s productive capacity rises — potential growth — and future generations benefit.

This is decisive for India, an emerging economy that must import capital — machinery, infrastructure inputs, power and water plant — to build the export-oriented manufacturing base on which its growth depends. It matters less benignly for the USA, whose imports, once dominated by capital goods, are now dominated by consumer goods and services: the USA has chosen current consumption over long-run capacity. A further qualification concerns financing. A deficit financed by long-term capital inflows such as foreign direct investment is benign — the inflow raises aggregate demand and, through technology and knowledge transfer, improves the quality of the labour force and productive capacity. India’s deficit is financed by a mix of FDI and foreign institutional investment; the former has driven its growth since the 1980s. Foreign institutional flows are less desirable: speculative in nature, they are withdrawn quickly at the first sign of deterioration, destabilising the foreign-exchange market.

Positive: relief of inflationary pressure. The second benefit depends on the state of the economy. If the economy is initially at or near full employment, the negative net-export term $(X-M)$ drags on aggregate demand, limiting the demand-pull inflation that buoyant domestic demand would otherwise generate. The qualification is that this benefit is slight where price stability is not under threat — and indeed the USA’s general price level has been relatively stable, while India’s has risen only slowly.

Negative: lower actual growth and higher cyclical unemployment. A deficit may signal a deficit in net exports that lowers aggregate demand and, through the reverse multiplier, a more-than-proportionate fall in national income as firms cut output to run down excess inventories. Because labour is a derived demand, demand-deficient (cyclical) unemployment rises. The force of this depends on context: both the USA and India have large domestic markets, so national income is not unduly dependent on the export sector. US national income has in fact risen briskly on strong domestic consumption and investment, with FDI remaining robust as the US is seen as a haven relative to the EU. A conceptual caveat is essential here: a deficit does not by itself mean falling aggregate demand — a deficit of $100 this period and $100 last period leaves $(X-M)$ unchanged. To argue that aggregate demand falls one must assume a worsening of the current account from balance into deficit.

Negative: rising liabilities to foreigners. A large and persistent deficit relative to GDP must be financed by selling the country’s paper (securities and bonds) or physical assets to foreigners, or by borrowing abroad. Asset sales reduce domestic ownership; borrowing incurs external debt on which interest must be paid abroad. The country thereby finances present consumption at the expense of future living standards: the standard of living enjoyed today cannot be sustained, and future generations must cut imports and accept lower material welfare.

Negative: risk of exchange-rate depreciation. If the deficit is large and persistent, major investors may lose confidence and move financial capital out, putting downward pressure on the exchange rate. Under the USA’s floating regime the dollar depreciates, raising the domestic-currency price of imports and lowering material standard of living. India operates a managed float: should the rupee fall below its undisclosed band, the central bank must buy up the currency, depleting reserves; if markets doubt the bank’s capacity to hold the line, speculative attacks follow, and the buying-up of domestic currency contracts the money supply with a contractionary effect on the economy. Yet this risk is presently slight for both: the US dollar remains the world’s reserve currency, so creditors such as China continue to lend cheaply, and dollarisation abroad sustains demand for the dollar — its exchange rate has in fact strengthened. India, one of the world’s fastest-growing economies, enjoys a healthy capital inflow.

Judgement. Whether a current account deficit is beneficial or harmful to the macroeconomy cannot be settled without specifying its cause, duration, size, financing, and the state of the economy. For the USA, the deficit is not at present a serious problem: foreign investors remain confident and US assets attractive, so capital inflows offset the deficit. But this may not last — the deficit has worsened as a share of GDP as exports fell and inbound investment declined, and any loss of confidence, especially with the renminbi rising as a competing reserve currency, could trigger a sharp depreciation. The deficit is therefore an issue the USA ought to address before a fallout occurs. For India, the large oil and gold components of the import bill must be distinguished: oil sustains the export-oriented manufacturing sector and brings subsequent export earnings, so it is not a concern; non-productive consumer imports such as gold are, and should be curbed. India’s external-debt stock relative to gross national income is comfortable and the growth of that debt has fallen from double digits to mid-single digits. With appropriate policy, India’s deficit need not threaten its macroeconomy. The general conclusion stands: a current account deficit is not intrinsically good or bad — it is the character of the deficit, read against the economy that runs it, that determines its impact.