This thesis consists of four papers in the intersection of environmental regulations and finance:

Paper I: Environmental taxation in Sweden

Paper II: The World’s Highest Carbon Tax

Paper III: The effect of carbon taxation on firm value- Evidence from Sweden

Paper IV: The reform of the EU ETS

LASZLO SAJTOS is a researcher at the Department of Finance at Stockholm School of Economics and the Swedish House of Finance. He holds a BSc in Physics from Eötvös Loránd University, Hungary, and an MSc in Actuarial and Financial Mathematics and Economics from Eötvös Loránd University and Corvinus University of Budapest, Hungary.

Laszlo Sajtos - Essays on Environmental Regulations