All Transport
Adapting Transport Policy to Climate Change
Research Report, Policy Insights,
30 November 2015
- Uncertainty is different from risk.
- Climate effects are subject to uncertainty.
- There are techniques to deal with risk.
- There is currently no robust method to treat Knightian uncertainty.
- Risk, uncertainty and discount rate all affect carbon value.
Messages clés des Ministres. Sommet annuel 2011: Des transports pour la société
Summit Declaration,
25 May 2011
Ten Stylised Facts About Household Spending on Transport
Statistics Brief, Policy Insights,
1 January 2011
- Housing, transport and food are the main household budgetary drivers.
- Share of transport on total household spending has remained relatively constant over time.
- The share of transport in household expenditure increases with welfare.
- The main driver of household spending is the ownership (and use) of cars.
- Increased spending on transport by richer households is mainly directed to cars.
- Transport spending structure and level changes dramatically only for households with the oldest consumers.
- Unemployed and retired spend least on transport – but still rely on cars.
- Bigger families spend more on transport (and use of car).
- Degree of urbanisation has only a small impact on transport spending shares in rich countries.
- Transport spending is rapidly increasing in China.