---
canonical_url: "https://csls.ca/ipm-archive/ipm-issue-36/online-appendix-the-uk-and-western-productivity-puzzle/"
title: "Online Appendix: The UK and Western Productivity Puzzle"
author:
  name: "CSLS"
  url: "https://csls.ca/author/cslc/"
date_published: "2026-07-13T07:52:49+00:00"
date_modified: "2026-07-13T07:52:49+00:00"
post_type: "ipm"
summary: ""
ipm_issue_period:
  - "Spring 2019"
ipm_keyword:
  - "export demand"
  - "labour hoarding"
  - "mismeasurement"
  - "neo-Lewis"
  - "proof"
  - "UK productivity puzzle"
  - "zombie firms"
ipm_research_theme:
  - "Productivity trends and comparisons"
ipm_country_focus:
  - "Europe"
  - "International"
  - "United Kingdom"
featured_image: "https://csls.ca/wp-content/uploads/2026/06/IPM_50_banner.webp"
status: "publish"
---

# Online Appendix: The UK and Western Productivity Puzzle

Canonical URL: https://csls.ca/ipm-archive/ipm-issue-36/online-appendix-the-uk-and-western-productivity-puzzle/

# Online Appendix: The UK and Western Productivity Puzzle

[Download full PDF article](https://csls.ca/wp-content/uploads/2026/07/IPM-Issue-36-6b-Oulton-Appendix.pdf)

Cite this article

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Cite this article as:

Oulton, Nicholas. 2019. “Online Appendix: The UK and Western Productivity Puzzle.” International Productivity Monitor, No. 36 (Spring 2019): 1–14. https://www.csls.ca/ipm-archive/ipm-issue-36/online-appendix-the-uk-and-western-productivity-puzzle/

## Author:

-
Nicholas Oulton
London School of Economics; National Institute of Economic and Social Research (NIESR)

## IPM Issue 36

Spring 2019 pp. 1–14

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## Abstract

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Online appendix to IPM-36-6 providing: (A) proof of the proposition that in the neo-Lewis ‘bad’ regime, labour productivity and capital intensity grow more slowly than in the ‘good’ regime; and (B) a comprehensive review of previous explanations for the UK productivity puzzle (reallocation, mismeasurement, labour hoarding, capital intensity, zombie firms) and why the author finds each insufficient on its own.

[Download full PDF](https://csls.ca/wp-content/uploads/2026/07/IPM-Issue-36-6b-Oulton-Appendix.pdf)