Order flow imbalance refers to the difference between market buy and sell orders during a given period. This paper is the first study to examine effects of order flow imbalance on returns of stocks traded on the German Xetra trading system on a daily basis. In contrast to previous studies on...

1. Introduction to e-commerce in the airline industry -- 2. Airline digital properties and features -- 3. Airline e-marketing -- 4. Airline e-sales and distribution -- 5. Airline web customer service -- 6. The airline e-commerce organization -- 7. Airline e-commerce strategy.

"Since the first few airline tickets were sold online in December 1995, global online travel has grown to generate half a trillion dollars in annual revenue. This development has brought significant changes to airline businesses, travel markets, and consumers. Today, airlines worldwide not only...