![Image of Maarit Olkkola](https://vatt.fi/documents/2956369/214388962/maarit-olkkola-web.jpg/57ac6c77-aae3-2fc0-45cc-9c2de2057637?version=1.0&t=1718610841782)
Maarit Olkkola
Researcher
![Image of Tanja Saxell](https://vatt.fi/documents/2956369/3037956/TanjaSaxell2023.jpg/1d6f53b7-1f92-9c9a-d8cc-4c87da8c71f4?version=1.1&t=1681720369648)
Tanja Saxell
Senior Researcher, PhD (Econ.)
![Image of Markku Siikanen](https://vatt.fi/documents/2956369/6113730/MarkkuSiikanen2023.jpg/b0459356-f36c-dbd8-ead5-1c49f59b9bda?version=1.0&t=1677484576556)
Markku Siikanen
Senior Researcher, D.Sc.(Econ.)
![Image of Jouko Verho](https://vatt.fi/documents/2956369/3038036/JoukoVerho2023.jpg/aec8cd2c-5dde-61dd-e5c3-92608d5cc4ed?version=1.0&t=1677056657431)
Jouko Verho
Chief Researcher, PhD (Econ.)
Researcher
Senior Researcher, PhD (Econ.)
Senior Researcher, D.Sc.(Econ.)
Chief Researcher, PhD (Econ.)