Modeling the offshoring of white-collar services : from comparative advantage to the new theories of trade and foreign direct investment / James R. Markusen -- Service offshoring : threats and opportunities / Daniel Trefler -- Tradable services : understanding the scope and impact of services...

Measuring the informal economy: taking up the challenge -- Statistics relating to the informal economy -- Statistics on developed countries -- Specific groups of urban informal workers -- Future directions for measuring the informal economy