In the past decade there has been a great increase in interest in trad
e in services. This pager estimates the determinants of trade flows fo
r two service industries travel and passenger transportation services,
for 16 OECD countries. Traditional and more recent models of import d
emand and demand far export functions are utilized The empirical resul
ts indicate similarity between trade in goods and trade in services. P
rice competitiveness is an important factor in determining the trade f
lows in travel services and, like trade in manufactured goods, exchang
e rate variations have some influence on the volume of travel and pass
enger transportation services.