Which principle is most relevant to understanding economic growth rates and base-period effects?
Note
Economic indicators must be compared using compatible definitions, time periods, and units. is the correct choice. BEA GDP statistics require careful treatment of price adjustment, revisions, industry measures, and reference periods.
The Bureau of Economic Analysis measures state GDP as economic production, not household income or tax revenue. Nominal dollars and inflation-adjusted output answer different questions. Always check the measurement, reference year, and geographic boundary before comparing figures.