Over the last 20 years, demand for air passenger transport has grown dramatically. At the same time, the two largest domestic airlines merged and several smaller entrants exited without being able to make significant inroads. As a result, the industry is highly concentrated, with a dominant firm...

The authors compare the two merger control systems currently employed worldwide: a mandatory system based on merger size threshold and a voluntary system with ex-post monitoring and fines. The voluntary system possesses two informational advantages: (i) the enforcement agency employs more...

The authors compare the two merger control systems currently employed worldwide: a mandatory system based on merger size threshold and a voluntary system with ex-post monitoring and fines. The voluntary system possesses two informational advantages: (i) the enforcement agency employs more...