Topper, Michael D., Stanley Watt, and Jingming "Marshall" Yan. 2014. "Google-ITA: Creating a New Flight Search Competitor (2011)" in John Kwoka and Lawrence White (eds), Antitrust Revolution: Economics, Competition, and Policy, 6rd edition, Oxford University Press, Case 12, pp. 385-412.

1. What is the benefit and cost of Google to vertically foreclose, i.e. refuse licensing ITA's software to, its competitors in flight search services?

2.What is the rationale behind requiring Google to honor and renew existing license for ITA's current QPX software and certain updates?