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Code-sharing in the U.S. airline industry.

機(jī)譯：美國航空業(yè)的代碼共享。

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This dissertation consists of two essays that address code-sharing alliances in the U.S. domestic airline industry.;The first essay examines the economic impact of code-sharing using data from the complementary code-sharing agreement between Southwest and ATA Airlines. This code-share agreement is found to decrease air fares and increase passenger volumes for incumbent firms, while increasing both consumer and producer surplus on code-shared routes to and from the Denver airport. In addition, these markets are found to exhibit characteristics of Bertrand competition, as opposed to previous findings of the less competitive Cournot result in international markets and in other domestic U.S. markets.;The second essay employs three alternative econometric models (Generalized Linear Mixed Models (GLIMM), Generalized Estimating Equations (GEE) and Transition Models (TM)) analyze factors that determine whether individual routes remain in or leave a code-share agreement. The code-share alliance between Continental and America West Airlines is used as the case study for this analysis. Empirical results show that routes with higher flight frequencies and higher yields lead to a higher probability of remaining in the code-share agreement. Alliance firms tend to code-share routes where the origin, connecting or destination airport is one of their hub cities or the route is a vacation route. Airport congestion and high route concentration are found to be important barriers that limit use of code-sharing.
機(jī)譯：本文由兩篇文章組成，涉及美國國內(nèi)航空業(yè)的代碼共享聯(lián)盟。;第一篇論文使用西南航空公司與ATA航空公司之間互補(bǔ)的代碼共享協(xié)議中的數(shù)據(jù)來研究代碼共享的經(jīng)濟(jì)影響。人們發(fā)現(xiàn)，這項(xiàng)代碼共享協(xié)議可以降低現(xiàn)有公司的機(jī)票價格并增加旅客數(shù)量，同時可以增加往返丹佛機(jī)場的代碼共享航線上的消費(fèi)者和生產(chǎn)者盈余。此外，發(fā)現(xiàn)這些市場表現(xiàn)出Bertrand競爭的特征，這與之前在國際市場和美國其他國內(nèi)市場中競爭較弱的古諾酒的發(fā)現(xiàn)相反;第二篇論文采用了三種替代計(jì)量經(jīng)濟(jì)學(xué)模型（廣義線性混合模型（ GLIMM），廣義估計(jì)方程（GEE）和過渡模型（TM）分析因素，這些因素確定單個路由是保留在代碼共享協(xié)議中還是保留在代碼共享協(xié)議中。美國大陸航空和美國西部航空公司之間的代碼共享聯(lián)盟被用作此分析的案例研究。實(shí)證結(jié)果表明，具有較高飛行頻率和較高收益的航線導(dǎo)致保留在代碼共享協(xié)議中的可能性更高。聯(lián)盟公司傾向于共享航線，其中始發(fā)，轉(zhuǎn)機(jī)或目的地機(jī)場是其樞紐城市之一，或者該路線是度假路線。發(fā)現(xiàn)機(jī)場擁擠和路線高度集中是限制使用代碼共享的重要障礙。

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