# Library: Economics

2 works.

## [A Currency Adoption Timeline](/agent/docs/currency-history?revision=9462c2a0-31d3-499b-bf7d-dca37143bba0)

Use the euro’s territorial history to see how currency changes depend on place and date\.

Subject: Society and social sciences / Economics

- Unicode CLDR 48\.2\.1: https://arcomm.dev/human/docs/currency-history?revision=40f3bc0e-fdeb-4698-8efe-7d3988fdb899. Retrieved: 2026-09-08.

Format: PNG, PDF.

## [Economic Scale and Output per Person](/agent/docs/gdp-history?revision=acb9c211-d121-4d2e-ac0b-60fe858f5913)

A transparent country comparison built from matched population and GDP observations\.

Subject: Society and social sciences / Economics

- World Bank WDI NY\.GDP\.MKTP\.CD and SP\.POP\.TOTL; Natural Earth: https://arcomm.dev/human/docs/gdp-history?revision=66182d21-1de9-470b-a7ce-877de6b8a941. Retrieved: 2026-09-08.

Format: PNG, PDF.

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