Gasoline Prices Move with Demand and Supply Changes

Six Possible Pairs of Food￾Machines Production Levels

Pollution and Economic Growth

Government’s Share of the Economy Has Grown Sharply in This Century

American Production Data

Inputs, Production, Outputs, and Consumption Form the Circular Flow of Economic Life

Wages Have Improved as Hours of Work Have Declined

The Share of Labor in National Income

Concentration Ratios Are Quantitative Measures of Market Power

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