Janne Tukiainen is a professor of economics at the University of Turku and a part-time research professor at the VATT Institute for Economic Research. Previously he has worked as a visiting professor at the Department of Government at the London School of Economics and Political Science, as a senior reseearch and associate research professor at VATT, and as a post doc researcher at the University of Helsinki and HECER. He has visited the Bank of Finland and several foreign universities (e.g., ECARES, LSE, Warwick, KCL, ETH Zurich). Tukiainen is a ZEW, CESifo and Helsinki GSE affiliate and a member of the Finnish Academy of Science and Letters.

Tukiainen received the ERC consolidator grant (2023-2027) for his INTRAPOL-project. Other major funding include Finnish Research council's SRC funding for RESLIDE project (2024-2027) and two Academy of Finland projects. At VATT he works as a work package leader for SRC council funded TRIM-project.

Tukiainen gained his doctorate in economics at the University of Helsinki in 2009. His thesis concers industrial economics, in particular, auctions and public procurement. Subsequently, he has focused also on public and political economics, and political science. For example, he has studied the economic and political effects of municipal mergers, voting behavior and its consequences. Currently, his key areas of interest include political selection and election systems, as well as public procurement. Tukiainen has published scientific work in the fields of health economics, industrial economics, microeconometrics, political economics, public economics and urban economics, as well as in several fields in political science.

Tukiainen has been actively involved in graduate education in economics departments in Turku, and Helsinki within KAVA, HECER and Helsinki GSE. He has organized research seminars for graduate students and supervised and evaluated many doctoral theses. Janne has taught economics, industrial economics, public economics, political science and microeconometrics at several universities in Finland and other countries. He is a member of the Turku School of Economics board.

Besides academic research, Tukiainen has written numerous reports to support policy work, for example, on municipal finances and reforms and public procurement. He has participated actively in the public debate on these themes in the media, as well as in government policy committees. He has also been a consultant and an expert witness in legal proceedings concerning for example asphalt, timber and truck cartels and predatory pricing. Tukiainen is an associate editor of the International Tax and Public Finance, and European Journal of Political Economy journals.