for Labour Law and Industrial Relations
in the European Union
THE INSTITUTE
The employees of the IAAEU research the underlying economic and legal conditions for labour in a constantly changing European society. Our task is project-related research, which is interdisciplinary, socially relevant and receives international attention. The goal is to influence the public discourse with scientific findings and thereby improve the conditions for labour and industrial relations. In that light, the institute understands itself as an initiating force for other researchers and for the region. The IAAEU was founded as a public law foundation in 1983. The institute is financed by the German Federal State of Rhineland-Palatinate and is also a scientific institution attached to Trier University. It is located on Campus II of the University.
Research at the IAAEU takes place under a tight cooperation between the two chairs of the co-directors Prof. Dr. Daniel Ulber (European Labour Law and Civil Law) and Prof. Dr. Laszlo Goerke (Business Administration – Personnel Economics). Furthermore, the institute maintains an extensive library with a unique collection of works pertinent to labour law, industrials relations, particularly industrial relations between member states of the EU, and personnel economics.
What requirements do equal pay and pay transparency place on job evaluation under collective agreements? And what are the implications of the requirement set out in the Pay Transparency Directive 2023/970/EU that job evaluation systems must be designed in an objective and gender-neutral manner? In the current issue of SR, Prof. Em. Dr. Dres. h.c. Monika Schlachter and Jana Hagenmüller examine the extent to which collective agreement-based evaluation methods can meet the requirements of EU law and what adjustments are necessary to avoid structural discrimination.
On April 21, Jaqueline Stein successfully defended her dissertation “Freedom of Association and Prison Labor – A Study in Labor and Constitutional Law on the Protection of Prisoner Unions under Article 9(3) of the German Basic Law (GG)”. In her work, Jaqueline Stein demonstrates that working prisoners and their associations – regardless of the type of prison labor – are protected by Article 9(3) of the German Basic Law in exercising their freedom of association, even if they do not fall under the general definition of an employee (§ 611a BGB).
Researchers from the IAAEU and the Chair of Personnel Economics participated in the Annual Meeting of the Scottish Economic Society, held in Glasgow from 13 to 15 April 2026. The conference brought together economists from various fields to present current research and engage in academic exchange.
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What requirements do equal pay and pay transparency place on job evaluation under collective agreements? And what are the implications of the requirement set out in the Pay Transparency Directive 2023/970/EU that job evaluation systems must be designed in an objective and gender-neutral manner? In the current issue of SR, Prof. Em. Dr. Dres. h.c. Monika Schlachter and Jana Hagenmüller examine the extent to which collective agreement-based evaluation methods can meet the requirements of EU law and what adjustments are necessary to avoid structural discrimination.
On April 21, Jaqueline Stein successfully defended her dissertation “Freedom of Association and Prison Labor – A Study in Labor and Constitutional Law on the Protection of Prisoner Unions under Article 9(3) of the German Basic Law (GG)”. In her work, Jaqueline Stein demonstrates that working prisoners and their associations – regardless of the type of prison labor – are protected by Article 9(3) of the German Basic Law in exercising their freedom of association, even if they do not fall under the general definition of an employee (§ 611a BGB).
Researchers from the IAAEU and the Chair of Personnel Economics participated in the Annual Meeting of the Scottish Economic Society, held in Glasgow from 13 to 15 April 2026. The conference brought together economists from various fields to present current research and engage in academic exchange.
Brownbag seminars will continue to be held at the IAAEU in the summer semester of 2026. More information about the lectures can be found on our brownbag seminar page.
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The Institute for Labour Law and Industrial Relations in the European Union (IAAEU), together with the chair for Personnel Economics at Trier University, are jointly organising the 18th Workshop on Labour Economics, to be held on March 26-27, 2026
Brownbag seminars will continue to be held at the IAAEU in the winter semester of 2025/26. More information about the lectures can be found on our brownbag seminar page.
