Effects of Southwest Airlines on Carrier Profits and Entry Probabilities

Table 4

Robustness check.

Competitive effect	(I)	(II)
SW nonstop on non-SW nonstop	[–24.20, –20.52]
SW nonstop on non-SW connect	[–14.57, –11.56]
SW connect on non-SW nonstop	[–2.95, –0.49]
SW connect on non-SW connect	[–5.89, –4.78]
SW nonstop on FSC nonstop		[–18.56, –14.70]
FSCs: AA, DL, and UA
SW nonstop on JetBlue nonstop		[–22.54, –18.76]
SW nonstop on small LCC nonstop		[–28.39, –24.02]
SW nonstop on FSC connect		[–12.02, –10.55]
SW nonstop on JetBlue connect		[–16.76, –12.51]
SW nonstop on small LCC connect		[–18.12, –13.66]
SW connect on FSC nonstop		[–0.84, 0.94]
SW connect on JetBlue nonstop		[–2.93, –1.10]
SW connect on small LCC nonstop		[–3.35, –1.72]
SW connect on FSC connect		[–4.05, –3.23]
SW connect on JetBlue connect		[–8.60, –6.15]
SW connect on small LCC connect		[–6.37, –4.43]

Note. For robustness check, the simulation is redone by setting .