Nielsen, Jens Erik, and Ninette Pilegaard. “Optimal Taxation and Congestion Externalities in a Model of Household Time Allocation”. Proceedings from the Annual Transport Conference at Aalborg University 12, no. 1 (December 31, 2005). Accessed May 3, 2024. https://journals.aau.dk/index.php/td/article/view/5131.