The Evolving Air Transport Industry

xiv INTRODUCTION TO AIR TRANSPORT ECONOMICS
7.3 Concentration of the top ten global airports by alliance in terms
of ASMs 174
8.1 Market continuum 180
8.2 Total revenue, average revenue and marginal revenue 183
8.3 Profit-maximizing price for various price elasticities 196
9.1 Market continuum 206
9.2 Large aircraft manufacturers' market share 213
9.3 Cournot theory progression 218
9.4 Market share of Internet browsers 226
9.5 US airlines' available seat miles, 2005 227
9.6 Four-firm concentration ratio 228
9.7 US domestic Herfindahl Indices, 1998-2005 229
9.8 Pre-merger market share 230
9.9 Post-merger market share 230
10.1 Advantages and limitations of qualitative forecasting 240
10.2 Advantages and limitations of quantitative forecasting 243
10.3 Variance calculation of class average (1) 244
10.4 Variance calculation of class average (2) 245
10.5 Time-series data of bookings for a DirectJet flight 248
10.6 Three-day and five-day moving average forecasts 249
10.7 Exponential smoothing forecasts, using two different smoothing
constants 251
10.8 Expanded data set for DirectJet 252
10.9 Mean squared error calculation for moving average forecasts 255
10.10 Mean squared error calculation for weighted moving average forecasts 256
10.11 Mean squared error calculation for exponential smoothing forecasts 256
10.12 Mean absolute deviation calculation for moving average forecasts 257
10.13 Mean absolute deviation calculation for weighted moving average
forecasts 258
10.14 Mean absolute deviation calculation for exponential smoothing forecasts 258
10.15 Data set for the relation between consumption and income (1) 259
10.16 Data set for the relation between consumption and income (2) 261
10.17 Residual values for forecasts of consumption 263
10.18 Coefficient of determination calculation 264
10.19 Data set for the relation between consumption and income (3) 265
10.20 Data set for forecasting demand for the Orlando-Los Angeles flight 267
10.21 Model summary of demand forecast for the Orlando-Los Angeles
flight from SSPS 268
10.22 ANOVA for the demand forecast for the Orlando-Los Angeles flight 270
10.23 Coefficients' significance for the demand forecast for the Orlando-Los
Angeles flight from SSPS 271
10.24 Correlation matrix for independent variables from SSPS 272
11.1 Load factor for People Express 281
11.2 Consumer surplus 285
11.3 Fare class advance purchase restrictions 290
11.4 Fare class Saturday Night stay restrictions 290
11.5 Fare class frequent-flyer mileage 291
11.6 Fare class refundable restrictions 291