|
| Papers | Stages | Inputs and outputs of the 1st stage | Inputs and outputs of the 2nd stage | Inputs and outputs of the 3rd stage |
|
| [21] | Two stages: cost efficiency and service effectiveness | Inputs: fuel cost, personnel cost, and aircraft cost
Outputs: number of flights and seat miles | Inputs: number of flights and seat miles
Outputs: passenger miles and embarkation passengers | |
| [57] | Two stages | Inputs: cost per ASM, salaries per ASM, wages per ASM, benefits per ASM, and fuel expense per ASM
Outputs: Load factor and fleet size | Inputs: load factor and fleet size
Outputs: RPM | |
| [53] | Two phases: operational performance and financial performance | Inputs: aircraft fuel, wages, salaries and benefits, and cost per ASM
Outputs: RPK | Inputs: the inverse of efficiency in phase 1
Outputs: flight revenue and flight income | |
| [55] | Two stages: production efficiency and marketing efficiency | Inputs: number of employees, fuel consumption, total number of seats, cost of flight equipment, maintenance expenses, and cost of equipment and property
Outputs: ASM and ATM | Inputs: ASM and ATM
Outputs: RPM and nonpassenger revenue | |
| [70] | Two stages: technical efficiency and service effectiveness | Inputs: number of passenger planes, number of employees, and number of cargo planes
Outputs: passenger-plane-km and cargo-plane-km | Inputs: passenger-plane-km and cargo-plane-km
Outputs: passenger-km and ton-km; | |
| [73] | Two stages: production process and sales process | Inputs: fuel cost, noncurrent assets, wages and salaries, and other operating costs
Outputs: ASK and ATK | Inputs: ASK, ATK, and selling costs
Outputs: RPK and RTK | |
| [72] | Two stages: production process and consumption process | Inputs: employee, fuel, and fleet
Outputs: seat-mile and destination-adjusted GDP | Inputs: seat-mile and destination-adjusted GDP
Outputs: pass-mile | |
| [56] | Three stages: operations stage, services stage, and sales stage | Inputs: operating expenses
Outputs: ASK | Inputs: ASK, fleet size, and destinations
Outputs: RPM | Inputs: RPM
Outputs: operating revenue |
| [74] | Three stages: operations stage, services stage, and sales stage | Inputs: number of employees and aviation kerosene
Outputs: ATK and ASK | Inputs: ATK, ASK, and fleet size
Outputs: RTK and RPK | Inputs: RTK, RPK, and sales costs
Outputs: total business income |
| [77, 87, 88] | Three stages: operations stage, services stage, and sales stage | Inputs: number of employees and aviation kerosene
Outputs: ATK and ASK | Inputs: ATK, ASK, and fleet size;
Outputs: RTK, RPK, and greenhouse gases | Inputs: RTK, RPK, and sales costs
Outputs: total business income |
| [69] | Two stages: operations stage and carbon abatement stage | Inputs: salaries, wages and benefits, fuel expenses, and total assets
Outputs: RPK, RTK, and estimated carbon dioxide | Inputs: estimated carbon dioxide and abatement expense
Outputs: carbon dioxide | |
| [52] | Two stages: intermediate efficiency and final efficiency | Inputs: capital, labor, and materials
Outputs: RTK/load factor | Inputs: RTK/load factor
Outputs: revenue ton-kilometers | |
| [80] | Four stages: operating stage, fleet maintenance stage, services stage, and sales stage | Inputs: number of employees and aviation kerosene
Outputs: ASK and ATK
Inputs: maintenance costs
Outputs: fleet size | Inputs: ASK, ATK, fleet size, and number of destinations
Outputs: RPK and RTK | Inputs: RPK, RTK, and sales cost
Outputs: total business income |
| [50] | Two stages: network efficiency and flight efficiency | Inputs: fuel, number of plants, and number of employees
Outputs: number of landings and delays | Inputs: number of landings
Outputs: CO2, cargo, and number of passengers | |
| [81, 85, 89, 90] | Three stages: operations stage, services stage, and sales stage | Inputs: operating expenses
Outputs: ASK | Inputs: ASK and fleet size
Outputs: RPK and greenhouse gases | Inputs: RPK and sales costs
Outputs: total business income |
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