Measuring the Causal Effect of Free Shipping with Regression Discontinuity Design
When Amazon Prime launched in 2005, it changed delivery costs from a transaction cost into a membership benefit, something customers
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Where European Giants Fall: The Math Behind Bodø/Glimt’s Champions League Run
On 20 January 2026, Manchester City arrived at Aspmyra Stadion in Bodo for a Champions League group stage game. They
Women’s Education vs. Fertility Rate: A Global Pattern
Women’s education is one of the strongest predictors of fertility decline globally — 157 countries, r = -0.79. The pattern
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Where European Giants Fall: The Math Behind Bodø/Glimt’s Champions League Run
On 20 January 2026, Manchester City arrived at Aspmyra Stadion in Bodo for a Champions League group stage game. They
Radar Charts: Why They Mislead More Than They Reveal
Radar charts are a very popular visualisation tool. Recently, Anthropic released one which went viral and was used to visualise
The BlueCo Dividend: Quantifying the Causal Impact of Chelsea’s Takeover on Strasbourg
Has BlueCo’s multi-club vision for RC Strasbourg actually paid off? On the surface, a 7th-place finish and European qualification signal a revolution in Alsace. However, a deeper dive using synthetic control-group modelling reveals a striking paradox: while results skyrocketed, the team’s underlying performance metrics actually declined. This analysis explores how the “BlueCo Lift” relied less on systemic growth and more on a “talent hack”, where the individual brilliance of Chelsea loanees like Andrey Santos and Djordje Petrovic masked a reliance on efficiency over structural quality