---
canonical_url: "https://csls.ca/ipm-archive/ipm-issue-37/online-appendix-the-transatlantic-productivity-slowdown/"
title: "Online Appendix: The Transatlantic Productivity Slowdown"
author:
  name: "CSLS"
  url: "https://csls.ca/author/cslc/"
date_published: "2026-07-13T07:53:06+00:00"
date_modified: "2026-07-13T07:53:06+00:00"
post_type: "ipm"
summary: ""
ipm_issue_period:
  - "Fall 2019"
ipm_keyword:
  - "data construction"
  - "EU KLEMS"
  - "growth accounting"
  - "productivity"
  - "ratio linking"
  - "transatlantic"
ipm_research_theme:
  - "Productivity trends and comparisons"
ipm_country_focus:
  - "Europe"
  - "United States"
featured_image: "https://csls.ca/wp-content/uploads/2026/06/IPM_50_banner.webp"
status: "publish"
---

# Online Appendix: The Transatlantic Productivity Slowdown

Canonical URL: https://csls.ca/ipm-archive/ipm-issue-37/online-appendix-the-transatlantic-productivity-slowdown/

# Online Appendix: The Transatlantic Productivity Slowdown

[Download full PDF article](https://csls.ca/wp-content/uploads/2026/07/IPM-Issue-37-1b-Gordon-Sayed-Appendix.pdf)

Cite this article

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Cite this article as:

Gordon, Robert, and Hassan Sayed. 2019. “Online Appendix: The Transatlantic Productivity Slowdown.” International Productivity Monitor, No. 37 (Fall 2019): 1–6. https://www.csls.ca/ipm-archive/ipm-issue-37/online-appendix-the-transatlantic-productivity-slowdown/

## Authors:

-
Robert Gordon
Department of Economics, Northwestern University; National Bureau of Economic Research (NBER)

-
Hassan Sayed
Princeton University

## IPM Issue 37

Fall 2019 pp. 1–6

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## Abstract

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Data construction appendix to IPM-37-1 detailing the EU KLEMS 2012 and 2017 vintage merging methodology (ratio linking), growth accounting equations and variable definitions, and the industry classification crosswalk between EU KLEMS and the U.S. BLS data.

[Download full PDF](https://csls.ca/wp-content/uploads/2026/07/IPM-Issue-37-1b-Gordon-Sayed-Appendix.pdf)