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The value of travel time : a review of British evidence
Wardman, Mark, (1998)
Understanding the value of travel time : advanced modelling techniques applied to the national German Value of Travel Time and Travel Time Reliability Study
Dubernet, Ilka, (2019)
Time irreversibility and business cycle asymmetry
Ramsey, James B., (1996)
Properties of actuarially fair and pay-as-you-go health insurance schemes for the elderly : an OLG model approach
Johansson, Per-Olov, (2000)
The economic theory and measurement of environmental benefits
Johansson, Per-Olov, (1987)
On the value of changes in life expectancy
Johansson, Per-Olov, (1995)