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Artwork for Economics in One Lesson in the 21st Century

Economics in One Lesson in the 21st Century

Economics21st

How to understand economics through one simple lesson.

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Substack
PricingOnly free issuesPublishesWeekly
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Latest Issues

Recent posts by this newsletter. Browse the email archive.

The UK Exchequer (3)

This is the third in a series of articles illustrating the Berkeley, Tye and Wilson (BTW) study “An Accounting Model of the UK Exchequer”. Here, we’ll continue looking at the UK banking system.

2 months ago
1
0

The UK Exchequer (2)

This is the second in a series of articles illustrating the Berkeley, Tye and Wilson (BTW) study “An Accounting Model of the UK Exchequer”. Here, we’ll start looking at the UK banking system.

2 months ago
1
2

The UK Exchequer (1)

[Last edited 2025-09-20 — see below]

2 months ago
1
10

Actions of a Lifetime (2)

My whole approach to economics has always been to look for things we can know for certain. This 2-part series is about one of these things: we can work out an exact effect of one person’s actions over their whole life on everyone else.

3 months ago
0
0

Authors

The writers behind this newsletter.

  • Economics21st

    Amateur economist (since Jan 2008), based in UK. Background in maths and software development, including OOAD (mathematical modelling of the real world).

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