Identify a recent Wall Street Journal article that could be related to one of these macroeconomics concept:

(1) - Economics and the Economy: Limits, Alternative and Choices

(2) - The Market System and the Circular Flow

(3) - Demand, Supply, and Market Equilibrium

(4) - Market Failures caused by externalities and asymmetric information

(5) - Public goods, public choice and government failure

(6) - An introduction to macroeconomics

(7) - Measuring domestic output and national income

(8) - Economic Growth

Then please describe the links between the article and the macroeconomics concept, explain how are they related.