This paper investigates the nonlinearities in the behavior of jet fuel prices and air carrier yields as measured by revenue passenger miles(RPMs), where one RPM is defined as one passenger flown one mile in revenue traffic. It indicates that previous research might have overlooked the...

This paper investigates the Purchasing Power Parity Theory (PPP) in the context of possible nonlinear relationships between prices and exchange rates of three key currencies. The main contribution of this paper is testing for nonlinearities and nonlinear relationships in a framework of...

This paper investigates the role of central bank intervention in currency markets. Specifically, the bilateral exchange rates of the dollar versus the British pound, Swiss franc, and the yen are examined. Central banks conduct open market operations in order to regulate exchange rates in...

This paper examines the relationship between consumer confidence and consumption expenditures in the US for the period 1970:1-2007:4. Consumer confidence surveys are widely reported in the business and economics media and play an important role in the direction of business decisions and equity...