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Sound waves propagate in two dimensions.
GDP Deflator
A measure that reflects the prices of all goods and services produced domestically, accounting for inflation within a country's economy.
Base Year
A reference year against which economic growth, price changes, or other data is compared in indexes or other statistical measures.
GDP Deflator
A measure of the level of prices of all new, domestically produced, final goods and services in an economy, used to deflate nominal GDP to real GDP.
Percentage Change
A mathematical calculation that represents the degree of change over time, expressed as a percent, indicating how much something has increased or decreased.
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