Nordic Economic Policy Review 2026

Authors and Editors

Editors: Roope Uusitalo and Antti Kauhanen

Technical Editor: Lasse Leinonen

Text Editor: Tam McTurk

Introduction

Roope Uusitalo, Professor, University of Helsinki

Antti Kauhanen, Research Director, ETLA Economic Research

The Norwegian Tax Experiment – From Idea to Implementation

Simen Markussen, Director, Ragnar Frisch Centre for Economic Research

Marie Bjørneby, Norwegian Ministry of Finance

Comment by Kaisa Kotakorpi, Professor, University of Tampere

Comment by Helena Keinänen, Jarno Tuimala, and Olavi Tuomi, Finnish Tax Administration

Learning to Experiment: Practical Lessons from Finland’s Two-Year Preschool Experiment

Ramin Izadi, Senior Researcher, VATT Institute for Economic Research

Matti Sarvimäki, Associate Professor, Aalto University

Comment by Morten Visby Krægpøth, Head of Division, Danish Ministry of Children and Education, Denmark

Comment by Ingeborg Foldøy Solli, Professor, University of Stavanger

Evaluating Active Labour Market Policies Using Randomised Control Trials

Johan Vikström, Adjunct Professor, University of Uppsala and Researcher, Institute for Evaluation of Labour Market and Education Policy

Comment by Jukka Mattila, Director, VATT Institute for Economic Research

Comment by Kari Hämäläinen, Chief Researcher, VATT Institute for Economic Research

Childhood and Adolescent Interventions in a Danish Setting: A Meta-Analysis of Evidence from TrygFonden’s Centre for Child Research

Stine Nyhus Larsen, Research assistant, TrygFonden’s Centre for Child Research

Nikolaj Noer Poulsen, PhD Student, Aarhus University

Michael Rosholm, Professor, Aarhus University

Katrine Bønneland Tølbøll, PhD Student, Aarhus University

Comment by Marjo Kyllönen, Head of Department, City of Helsinki and Kristiina Hannukainen, Evaluation Expert, City of Helsinki

Comment by Hannu Karhunen, Research Leader, The Labour Institute for Economic Research (Labore)