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Worldwide Market Forecast For Commercial Air Transport 2002 - 2021

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2. Traffic <strong><strong>For</strong>ecast</strong><br />

2. 1 Relationship among Passenger Traffic, Economy and Yield<br />

As air traffic is a part of economic activities, if the economy is active , then air<br />

traffic is active also. And it is known that the air fare effects to the traffic also. Therefore,<br />

the economic (GDP) growth and the decline of air fare (Yield) will result in the<br />

passenger traffic (RPK) growth.<br />

The relationship among RPK, GDP and Yield in the past are analyzed in each<br />

region, and Regional RPK are forecasted by using their relationship, GDP forecast and<br />

Yield forecast.<br />

Here, Regional RPK show RPK for airlines domiciled in the geographical<br />

region.<br />

In 1991, we experienced traffic decrease by the Gulf war. Therefore, we<br />

considered an another factor to decrease traffic for the terror attack last year, as same<br />

as the Gulf war.<br />

CHANGE (%)<br />

15<br />

10<br />

5<br />

0<br />

-5<br />

-10<br />

RPK vs. GDP, YIELD<br />

GULF WAR<br />

-15<br />

1981 1983 1985 1987 1989 1991 1993 1995 1997 1999 2001<br />

9<br />

TERROR ATTACK<br />

GDP<br />

YIELD<br />

RPK

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