The Gravity Model of Trade: Predicting Bilateral Trade Flows (And Why It Still Rules)
The gravity model of trade predicts bilateral flows based on economic size and distance. Rooted in Newtonian physics and now...
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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.
The Modigliani-Miller Theorem: Capital Structure Irrelevance (And Why It Still Surprises)
The Modigliani-Miller theorem shows that under perfect markets, capital structure does not affect firm value. Real-world frictions like taxes and...
The Keynesian Cross: The Birth of Fiscal Multiplier Analysis (And Why It Still Shapes Policy)
The Keynesian cross shows how government spending multiplies into larger output increases through the marginal propensity to consume, shaping fiscal...
The Linder Hypothesis: Why Similar Countries Trade Similar Goods
Overlapping demand, not factor endowments, drives trade between similar economies. The Linder hypothesis explains why countries with comparable per capita...
The Coase Theorem: When Private Solutions Solve Externalities (And When They Don’t)
Ronald Coase’s Nobel‑winning insight: private bargaining solves externalities when property rights are clear and transaction costs are low. From pollution...
The Capital Asset Pricing Model: How Finance Learned to Price Risk (And Why It’s Still Debated)
CAPM revolutionized finance by measuring risk with beta and linking it to expected return. Despite anomalies and multi-factor extensions, it...
The Solow-Swan Growth Model: Why Some Countries Grow Faster (And Why Others Don’t)
The Solow-Swan model showed that capital accumulation faces diminishing returns; only technological progress drives sustained growth. It remains the foundation...
The Leontief Paradox: When Data Destroyed a Perfect Theory (And What It Taught Us)
In 1953, Wassily Leontief proved the leading trade theory wrong, showing the capital-rich US exported labor-intensive goods. The paradox forced...
The Heckscher-Ohlin Model: Why a Century-Old Trade Theory Still Matters (And Why It Might Not)
The Heckscher-Ohlin model explained trade by factor abundance until the Leontief Paradox and modern fragmentation challenged its relevance. Does it...
Debt Sustainability Explained: Why It Matters for Fiscal Resilience
Debt sustainability measures a nation’s ability to manage debt while maintaining economic stability and supporting growth. It ensures borrowing remains...