Final answer:
Economists studying patterns of consumption are likely examining trends in services and consumer goods to assess the economy.
Step-by-step explanation:
When an economist studies patterns of consumption to evaluate the economy, they are most likely examining trends in services and consumer goods. This involves looking at what people are buying, how much they are spending, and how consumption patterns change over time. Economists study these patterns to understand the economic health of a society, predict future economic conditions, and formulate policy recommendations.