@EasternStandard ,
Thanks to the wonders of AI, and I must admit I was impressed, I did some very simple modelling of the UK vs US and Germany between 2008 and 2016, and it confirmed we were much more U.S driven over this period.
To find the relationship, we can model the UK's growth rate as a linear function of the US and Germany's growth rates ((\text{UK} = \beta0 + \beta1 \cdot \text{US} + \beta_2 \cdot \text{Germany})) using ordinary least squares (OLS) linear regression on the 2008–2016 data.
The resulting coefficients are:
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U.S. Growth Coefficient (\(\beta _{1}\)): 1.084
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Germany Growth Coefficient (\(\beta _{2}\)): 0.141
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Intercept / Constant (\(\beta _{0}\)): -0.757
📐 The Resulting Formula
\(\text{UK\ Growth}=-0.757+(1.084\times \text{US\ Growth})+(0.141\times \text{Germany\ Growth})\)
🔍 Key Statistics & Interpretation
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Model Fit (\(R^{2}\)): 0.941 — This indicates that a staggering 94.1% of the variance in the UK's GDP growth between 2008 and 2016 can be explained purely by the combined growth trajectories of the US and Germany.
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Strong US Coupling: The coefficient of 1.084 suggests the UK's economy was highly sensitive to the US during this post-crisis recovery window, tracking its movements almost 1-to-1.
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Muted Germany Link: While Germany's massive 2009 crash heavily correlates with the UK's own drop, over the whole 2008–2016 stretch, Germany's predictive weight (\(\beta_2 = 0.141\)) was far lower than that of the US.
Now that only describes, it doesn’t explain why. However, that doesn’t make it wrong. It is mathematically correct.
When I asked ‘how do economists explain this’, I got the following response, which makes sense to me:
- Financial Sector Dominance and Anglo-Saxon Capitalism
The UK and US share an "Anglo-Saxon" economic model characterized by a
massive reliance on financial and business services rather than the manufacturing-heavy model favored by Germany.
1,
2,
3]
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The Transatlantic Financial Pipeline: The City of London and Wall Street operate almost as a single integrated ecosystem. Because the 2008 Global Financial Crisis was born in the banking sector, both countries suffered immediate, severe systemic shocks that hit asset values and credit channels in near lockstep.
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Germany’s Buffer: Germany's economy, driven by its specialized, export-led industrial base (Mittelstand), was insulated from the immediate domestic banking failures that devastated UK and US service-driven GDPs. 1, 2]
- Parallel Macroeconomic Policy Actions
When the crisis hit, the
Bank of England and the US Federal Reserve reacted with identical playbooks, while the European Central Bank (ECB) moved in a very different direction.
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Aggressive Monetary Stimulus: Both the US and the UK aggressively slashed interest rates to near-zero and launched massive, experimental Quantitative Easing (QE) programs to pump liquidity into their financial markets.
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The Eurozone Divergence: Germany, operating within the strictures of the Eurozone, faced a much slower monetary policy response from the ECB. Furthermore, the ensuing Eurozone Debt Crisis (2010–2012) deeply decoupled continental Europe’s growth trajectory, dragging down Germany’s trading partners while the US and UK experienced an unhindered asset-market recovery.
- Flexible Labour Markets
The UK and US feature highly flexible labor markets with fewer structural regulations compared to Germany’s heavily unionized, rigid employment frameworks.
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Rapid Readjustment: Following the 2008 crash, both US and UK firms rapidly shed workers and cut corporate spending, leading to steep, sudden initial contractions. However, this flexibility also allowed both economies to reallocate resources quickly, sparking a highly synchronized employment and consumer-spending rebound starting in 2010.
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Germany’s Kurzarbeit: Germany utilized state-subsidized short-time work schemes to intentionally hoard labor through the downturn, preventing a US/UK-style sharp drop in employment but flattening out its post-crisis recovery speed. 1]
- Consumer-Driven Growth Models
The domestic growth engines of the US and UK are remarkably similar: both are heavily reliant on private household consumption fueled by personal credit, corporate equity growth, and housing wealth. When US consumer confidence rebounded and pushed equity markets higher, it directly triggered a wealth effect in the UK, lifting business investment and domestic spending in a way that Germany's heavily savings-oriented economy rarely mirrors.