34 monthly labor review march 2000 aviation employment transportation by air job growth moderates from stellar rates and business activities increased massively for decades but slowed in the 90s william c goodman is an economist office of unemployment statistics bureau ommercial has grown rapidly united states since 1938 or earlier 1 most significant reason such probably that travel be come almost continuously more affordable ticket prices adjusted inflation have been falling con sistently 1950 2 airfares decreased over years not because any one consistent cause two distinct sets circumstances regu lation deregulation to 1978 fed eral control fares routes even exist ence each airline prevailed after lifting economic regulation price competition was a major force before development commercial airplane itself contributed heavily decreases costs operations conse quently lower adjustment infla tion when changes formation