B. T. Arnarson
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Björn Thor
Arnarson

International economist at the ROCKWOOL Foundation Research Unit in Copenhagen. I study global value chains, innovation and knowledge spillovers, using firm-to-firm trade data linked to Danish and Swedish employer–employee registers.

Icelandic, living in Sweden · Affiliated researcher, Lund University · CESifo affiliate

bth@rff.dk CV (PDF)
Portrait of Björn Thor Arnarson

Current research

Working papers and work in progress. With abstracts →

Growing Together and Apart: Scale Economies and Labor Specialization in Global Value Chains
with Magnus T. Buus, Andreas Moxnes, Jakob R. Munch and Chong Xiang

R&R, Journal of Political EconomyPresented at ETSG 2026 (Exeter) PDFCESifo WP 12710

2026
R&D Employment and Transmission in Trade and MNE Networks: Evidence from an R&D Tax Reform
with Magnus T. Buus, Jakob R. Munch and Georg Schaur

ROCKWOOL Foundation Study Paper 217, 2024Presented at RMET 2026 (Banff); Scientific Workshop on Productivity 2026 (Berlin) PDFROCKWOOL page

2024
International Spillovers from Supplying Superstars: Evidence from Firm-to-Firm Linkages
with Jonas Slaathaug Hansen

In progressPresented at DIEW 2026 (Aarhus)

The Intangible Gains from Trade
with Martina Magli and Andreas Moxnes

In progress

Knowledge Spillovers from Cross-Border Commuters: Evidence from a Natural Experiment
with Jakob R. Munch, Morten G. Olsen and Emil A. L. Simonsen

ROCKWOOL Foundation Study Paper 215, 2024 PDFROCKWOOL page

2024

Bridging Trade Barriers: Evaluating Multi-Product Models of Exporting

DormantLund University Working Paper 2015:6 (revised 2016) Working paper

2015
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Publications

With abstracts →

Globalization and the Gender Gap in Mental Well-being
with Asker Nygaard David, Beata S. Javorcik and Jakob R. Munch

Journal of International Economics, 2026, 161: 104253 PDF Jyllands-Posten

2026
Linking Local Services to Global Manufactures
with Joakim Gullstrand

The Scandinavian Journal of Economics, 2022, 124(1): 3–34

2022

How a School Holiday Led to Persistent COVID-19 Outbreaks in Europe

Scientific Reports, 2021, 11: 24390 · open access

WeekendavisenWeekendavisen (PDF)University of Copenhagen newsThread on X

2021

The Superstar and the Followers: Intra-Firm Product Complementarity in International Trade

Journal of Economic Behavior & Organization, 2020, 177: 277–304

2020
The Paternity Leave Act in Iceland: Implications for Gender Equality in the Labour Market
with Aparna Mitra

Applied Economics Letters, 2010, 17(7): 677–680

2010
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News & talks

All news and talks →

20 November 2026
OECD LIFT seminar, Paris · LIFT: Leveraging Inter-Firm Transactions, the OECD network on firm-to-firm data
29 September 2026
ROCKWOOL Foundation Annual Internal Workshop, Berlin
10–12 September 2026
European Trade Study Group (ETSG), Exeter
24–25 August 2026
Scientific Workshop on Productivity, German Council of Economic Experts and DIW Berlin, Berlin
25–26 June 2026
Danish International Economics Workshop (DIEW), Aarhus
15–17 May 2026
Rocky Mountain Empirical Trade Conference (RMET), a FREIT conference, Banff

No talks scheduled right now. See the talk archive.

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September 2026
Talk
Presented “Growing Together and Apart” at the European Trade Study Group (ETSG) in Exeter.
August 2026
Talk
Presented “R&D Employment and Transmission in Trade and MNE Networks” at the Scientific Workshop on Productivity, organised by the German Council of Economic Experts with DIW Berlin.
July 2026
Visit
Research visit to LMU Munich.
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The Øresund region

The Øresund Bridge between Malmö and Copenhagen at dusk One labour market across the strait Much of my research uses Danish and Swedish register data linked across the border, and the opening of the bridge as a natural experiment. Read more →

Photo: Arild Vågen, CC BY-SA 4.0

ROCKWOOL Foundation Research Unit · Ny Kongensgade 6 · DK-1472 Copenhagen K

 
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