# Research tiers and shelves

The research institute arranges reports in three tiers, macro, meso and micro, across 29 shelves; a shelf with no report shows only its name and coverage.

> Document ID: MYRILUM-DOC-SERVICES-013
> Document type: reference
> Product: myrilum-platform
> Version: 0.1.0
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> Last verified: 2026-09-23
> Review due: 2026-10-23
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> Canonical URL: /en/products-services/research-shelves

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## Three tiers

| Field | Value |
|---|---|
| Macro | The wider environment: politics, economy, society, technology, environment and law, following the six PESTEL shelves. |
| Meso | Industries: the twenty sections of China's national industry classification (GB/T 4754-2017). |
| Micro | Specific subjects: companies, products, and technologies and models. |

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## Numbering and series

- Reports are numbered R-tier-shelf-sequence, and each report belongs to exactly one shelf.
- A1–A8 are the eight layers of the AI industry stack; H1–H2 are cross-cutting lines that apply to every layer.

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## Reports coming soon

Reports not yet listed are real, planned titles: you can already read their titles, summaries and tables of contents.

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