A more accurate way of calculating the value of a healthy year of life
Peer-Reviewed Publication
Updates every hour. Last Updated: 13-Jan-2026 09:11 ET (13-Jan-2026 14:11 GMT/UTC)
Decades of progress in medicine and public health are driving rapid global aging, straining healthcare systems and national budgets worldwide. In a recent study, researchers from Japan present an improved method for calculating the monetary value of a ‘quality-adjusted life year,’ addressing the limitations of the conventional way of computing this metric. Their analysis using data from Japan shows how considering various age and quality of life patterns can help determine more cost-effective policy decisions.
Erik Katovich, assistant professor of agricultural and resource economics in the College of Agriculture, Health and Natural Resources, published a study in The Economic Journal proving the validity of a common belief: large landowners use their money to influence local politics to benefit their operations. Katovich’s study showed that large landholders in the Amazon who donate to winning municipal politicians, like a mayor, are more likely to develop soybean farming on their properties than those who donate to a losing candidate.
Looking at international air travel and multinational firm formation over a 30-year period, MIT researchers found multinational firms are more likely to locate their subsidiaries in cities they can reach with direct flights, and that this trend is particularly pronounced in knowledge industries.