Because of the differing forms that international agreements on trade in goods and trade in services take in the GATT (1994) and the GATS there is an incompatibility between measures of world trade in goods and services. Measures of goods trade reflecting GATT (1994) are restricted to trade that...

In countries, such as Singapore, that have implemented vehicle congestion policies, recent years have seen a shift towards motor vehicle taxes based on car use. Ownership taxes reduce the number of cars on the road, leaving the price per trip largely unaffected. Use taxes such as fuel taxes and...