Michael Koch - Research

Working Papers

Division of Labor in the Global Economy (with Sascha O Becker, Hartmut Egger, and Marc-Andreas Muendler), NBER Working Paper Nr. 34549; CEPR Discussion Paper No. 20860

Wage setting in multiproduct firms (with Jackie ML Chan, Michael Irlacher, and Luca Macedoni), CESifo Working Paper No. 11674

Same storm, different boats: Generative AI and the age gradient in hiring (with Magnus Lodefalk, Lydia Löthman, and Erik Engberg)

Global Value Chains and Informality (with Sotiris Blanas, Phu Huynh, and Christian Viegelahn)

The Implications of the Interplay between Global Value Chains and Technology for Labour Productivity and Demand (with Sotiris Blanas, Phu Huynh, and Christian Viegelahn)

Shocks to Firm Organization - The Case of Foreign Acquisitions (with Luca Macedoni, and Angelina Odintsova), CESifo Working Paper No. 11525

Publications

“Intermediates trade and knowledge flows the cost-saving mechanism of local buyer networks” (with Antonella Nocco), Review of World Economics, forthcoming, https://doi.org/10.1007/s10290-026-00661-4

“Multiproduct firms, horizontal mergers, and international trade” (with Jackie M.L. Chan and Michael Irlacher), The Review of Economics and Statistics, forthcoming, https://doi.org/10.1162/rest.a.255

“Artificial intelligence, tasks, skills, and wages: Worker-level evidence from Germany” (with Erik Engberg, Magnus Lodefalk, and Sarah Schroeder), Research Policy, Volume 54, Issue 8, October 2025, https://doi.org/10.1016/j.respol.2025.105285

“Measuring the Technological Bias of Robot Adoption and its Implications for the Aggregate Labor Share” (with Ilya Manuylov), Research Policy, Volume 52, Issue 9, November 2023, https://doi.org/10.1016/j.respol.2023.104848

“Robots and Firms,” (with Ilya Manuylov and Marcel Smolka) The Economic Journal, 2021, 131 (638), 2553-2584. https://doi.org/10.1093/ej/ueab009 Winner of the 2021 Royal Economic Society Prize

"Working from Home, Wages, and Regional Inequality in the Light of COVID-19," (with Michael Irlacher) The Journal of Economics and Statistics (Jahrbücher für Nationalökonomie und Statistik), 2021, 241(3), 373-404. https://doi.org/10.1515/jbnst-2020-0030

“Offshoring and Non-monotonic Employment Effects across Industries in General Equilibrium,” (with Daniel Baumgarten and Michael Irlacher) European Economic Review, 2020, 130: 103583. https://doi.org/10.1016/j.euroecorev.2020.103583

“Offshoring and firm overlap: Welfare effects with non‐sharp selection into offshoring,” (with Stella Capuano, Harmut Egger and Hans‐Jörg Schmerer) Review of International Economics, 2020; 28: 138–167. https://doi.org/10.1111/roie.12445

“Foreign Ownership and Skill-biased Technological Change,” (with Marcel Smolka) Journal of International Economics, 2019, 118, 94-104. https://doi.org/10.1016/j.jinteco.2019.01.017

“Skills, tasks and the scarcity of talent in a global economy,” Review of International Economics, 2016, 24(3), 536-563. https://doi.org/10.1111/roie.12222

“Labour unions and multi‐product firms in closed and open economies,” (with Hartmut Egger) Canadian Journal of Economics/Revue canadienne d'économique, 2012, 45(4), 1456-1479. https://doi.org/10.1111/j.1540-5982.2012.01745.x

Work in Progress

Trading Through Times of Disintegration: How Services Help Firms Weather Shocks (with Holger Görg, Michael Irlacher, and Saskia Meuchelböck)

Multiproduct Firms and the Choice of Invoicing Currency in International Trade (with Jackie M.L. Chan, and Michael Irlacher)

Bulky Offshoring (with Anna Gumpert, Inga Heiland, Peter Eppinger, and Mark Hellsten)

Other Publications

“Artificial intelligence and worker stress: evidence from Germany,” (with Magnus Lodefalk) Digital Society, Volume 4 (5), 2025, https://doi.org/10.1007/s44206-025-00160-3

“Domestic and Foreign Acquisitions, Plant Survival and Employment Effects,” (with Roger Bandick) Applied Economics Letters. Volume 30, Number 7, Pages 923-926, https://doi.org/10.1080/13504851.2022.2030033

“Trade, Labor Markets and the Organization of Production within Firms,” Dissertation, Univeristy of Bayreuth (Germany), 2013