Marginal Rate of Substitution: Slope, Concavity, and Choice
The marginal rate of substitution is the slope of the indifference curve at a point and the ratio of marginal...
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Our blog covers every aspect of the global economy, and we update our content regularly, so you can be informed about the most important topics.
Hicksian vs Marshallian Demand: Two Curves, One Consumer
Hicksian vs Marshallian demand is the central duality of consumer theory. One holds income constant for empirical work; the other...
Bank of Japan Explained: QQE, Yield Curve Control, and the 2024 Exit
The Bank of Japan explained from its 1882 founding through QQE, yield curve control, and the historic March 2024 exit...
Core CPI Explained: Why the Fed Looks Through Food and Energy
Core CPI explained: why the Fed strips food and energy from the consumer price index to isolate the underlying inflation...
2026 Iran Oil Shock: How the Hormuz Crisis Reshaped the Global Economy
The 2026 Iran oil shock pushed Brent crude past $108, closed the Strait of Hormuz, and forced central banks worldwide...
Kevin Warsh Fed Chair: Taking Office Into Stagflation and a Divided FOMC
Kevin Warsh Fed chair takes office May 15, 2026, inheriting stagflation, a divided FOMC, and a 30-year Treasury yield at...
External Internal Validity in Economic Research
external internal validity explains how economists judge credible causal evidence inside a study and whether findings generalize across settings.
Power Analysis and Sample Size Determination in Economics Research
power analysis explains how economists connect effect size, significance levels, statistical power, and sample size before collecting credible evidence.
Pre-Registration Economics: Pre-Analysis Plans Before Data
pre-registration economics explains how economists commit to hypotheses, outcomes, sample rules, and analysis plans before data can shape the results.
PCE Index explained: The Fed’s Preferred Inflation Measure
PCE Index explained: the Fed’s preferred inflation measure tracks broad consumer spending, chain weighting, core inflation, and the path toward...