Rising food prices ...
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Some effects may become more pronounced during the 2027 and 2028 growing seasons, when markets could be operating under very different economic and climatic conditions.
The concept of compound risk, drawn from the study of complex systems, helps explain what is happening. Compound risk involves more than several hazards occurring at once. When those hazards interact, they can produce consequences greater than the sum of their individual effects. The scale of the damage does not always correspond to the size of the initial shock. Much depends on the system’s condition beforehand, its ability to absorb pressure and its proximity to critical thresholds. This does not necessarily imply chaotic behavior. It reflects the nonlinear relationships through which accumulated vulnerabilities can turn an otherwise manageable disruption into a broader crisis.
The global food crisis of 2007 and 2008 illustrates the danger. Rising grain prices, combined with higher energy and agricultural input costs, placed enormous pressure on food-importing countries. Some governments imposed export restrictions to protect domestic consumers, further straining international markets and making conditions more difficult for other importing countries. Rising food prices also contributed to protests and social unrest in several developing countries.
What made that crisis especially revealing was the role of governments’ own responses. Export restrictions may seem sensible to a country trying to contain domestic prices. But when several exporters act at once, global supplies tighten. Importers, fearing shortages, may increase precautionary purchases, pushing prices still higher. The result is a reinforcing feedback loop in which measures intended to contain a crisis help it spread.
The effects do not necessarily appear at once. Reserves, trade contracts and alternative suppliers can cushion the initial disruption, even as the underlying pressures intensify. Farmers may reduce fertilizer use, governments may draw down strategic reserves and households may begin sacrificing the nutritional quality of their diets. By the time the consequences become visible in harvests, public health or market conditions, much of the capacity to respond may already have been depleted.
For low-income households, sustained food inflation can mean cutting essential spending, taking on debt or selling assets needed to earn a living. These adjustments provide short-term relief at the cost of greater vulnerability later. When economic hardship coincides with perceptions of inequality, uncertainty about the future and declining public trust, a food-price shock can become more than a matter of household budgets.
The experience of 2008 demonstrated that food inflation can help trigger widespread protest, though the relationship is neither direct nor inevitable. Income levels, social protection, institutional legitimacy and government responses all shape the outcome. Many societies absorb even steep price increases without unrest. Where grievances have accumulated, however, another shock can prompt a sudden change in collective behavior. Families, community networks and public institutions can absorb economic pressure only up to a point.
Severe unrest can, in turn, disrupt economic activity and food distribution, raise transaction costs and make essential goods harder to obtain. Emergency government measures may introduce further distortions. Food insecurity and social instability can thus reinforce one another, prolonging a crisis beyond the disruption that set it off.
Even a return to normal grain trade or lower energy prices may not reverse the damage. Households can remain burdened by debt, producers may have lost capital, strategic reserves may be depleted and public trust may take years to recover. The end of the initial shock is not necessarily the end of its consequences.
For policymakers, the implications are clear. Food security cannot be managed solely by responding to price increases or shortages after they occur. Monitoring input costs, reserve levels, national trade decisions and household purchasing power can reveal early signs of accumulating risk. Protecting alternative supply routes, avoiding trade restrictions that amplify shortages and strengthening social protection can help prevent an economic disruption from becoming a broader crisis.
In this context, the continuing war against Iran also has consequences beyond the geographical boundaries of the conflict. Disruptions to energy markets, fertilizer supplies and global trade routes can interact with climate hazards and existing constraints within the food system. International efforts to prevent the war from continuing therefore matter not only for humanitarian and security reasons but also for reducing compound risks to global food security. Ending the war would not eliminate every existing vulnerability, but it could prevent additional pressures from building on a system already struggling with multiple disruptions.
The World Bank’s forecast for 2027 is therefore only part of the picture. Even if food prices rise less than expected, the erosion of production capacity, household resilience and public trust may already be underway. These pressures are harder to measure and often slower to reverse.
In complex systems, the critical moment may arrive before the economic indicators reach their peak. By the time the damage becomes unmistakable, policymakers may be confronting not simply a more expensive crisis, but a fundamentally different one.