Introduction
Stagflation refers to a rare and undesirable economic condition where stagnant or negative economic growth occurs alongside persistent inflation. This presents a policy dilemma, because the usual tools to fight inflation may worsen unemployment, and vice versa. In a typical business cycle, inflation tends to fall when growth slows, but stagflation breaks this pattern, with rising prices even when the economy is not expanding and unemployment is high or rising. Real-world examples include the 1970s oil crisis and, more recently, post-COVID recovery periods, where supply shocks and demand uncertainties collided.
Cause one: simultaneous negative demand and supply shocks
Stagflation can result when Aggregate Demand (AD) falls due to weak consumer and business confidence, while Short-Run Aggregate Supply (SRAS) shifts leftward due to rising production costs. During the COVID-19 pandemic, fear and uncertainty led to a significant fall in consumption and investment. With tourism and trade disrupted, net exports also declined, so AD fell and reduced real national income, reflecting a slowdown or contraction in output. Simultaneously, the pandemic created supply chain disruptions and labour shortages. Border restrictions delayed shipments, key factories shut down, and essential raw materials like microchips, oil and food became scarce. These disruptions raised the cost of production, shifting SRAS leftward. The result was a rise in the general price level even as real GDP continued to fall, a textbook example of stagflation.
Cause two: AD increases in a constrained supply environment
Stagflation can also arise when AD increases but the economy is operating at or near full employment, and supply constraints prevent significant growth in output. In the later stages of the pandemic, governments introduced fiscal stimulus to boost demand. As restrictions eased and vaccination rolled out, household spending rebounded, pushing AD rightward. However, productive capacity had been permanently affected by permanent business closures, loss of labour due to illness or withdrawal from the workforce, and reduced investment during the pandemic. These factors shifted LRAS leftward, so the economy could no longer produce its former level of output. As AD rose, the economy remained stuck near a new, lower full-employment output level, and the rise in AD simply translated into higher prices rather than more real output, again resulting in stagflation.
Negative impacts of stagflation
Stagflation poses serious macroeconomic challenges. First, higher unemployment: falling output means firms reduce hiring or lay off workers, raising cyclical unemployment, especially in demand-sensitive sectors like retail, hospitality and manufacturing. Second, a rising cost of living: with inflation, the purchasing power of households erodes, and real wages may stagnate or fall, worsening the material standard of living, especially for low- and middle-income households who spend a larger share of income on necessities. Third, a policy dilemma: fighting inflation requires tight monetary policy, which can worsen unemployment, while tackling unemployment with expansionary policy risks fuelling further inflation, making it difficult for policymakers to respond effectively. Fourth, a fall in investment: uncertainty and rising costs create a hostile environment for private investment, as firms are reluctant to expand capacity or fund research and development when demand is weak and costs are high, hampering long-term growth potential.
Conclusion
Stagflation is one of the most difficult challenges a government can face. It can arise from supply-side shocks such as rising commodity prices or logistical disruptions, particularly when combined with weak aggregate demand or constrained productive capacity. The resulting mix of high inflation and low or negative growth leads to severe trade-offs in policymaking and prolonged hardship for households and firms. As seen during the post-COVID era and earlier global crises, preventing stagflation requires a balance of short-term demand management and long-term supply-side resilience, such as investing in productivity and reducing dependence on volatile import sources.