Factories get a clearer way to measure what actually makes them productive

Economists now have a more precise way to measure how efficient factories are, especially those making many different products. This new method shows that a factory's productivity mostly depends on how well it uses its resources and the quality of its goods.

Measuring productivity in factories that make many different things has always been complicated. Older models often made assumptions that didn't quite fit the real world. This new model cuts through those assumptions. It shows that the biggest differences in factory output come from how efficiently they use labor and materials, and the actual quality of what they produce. This means managers can now focus on specific improvements in process and product quality, rather than just trying to get bigger.