1. Global Market Forecast (GMF) – Mapping Demand 2016/2035;Airbus,2016
2. Regional aviation and economic growth: cointegration and causality analysis in Australia;Baker;J. Transp. Geogr.,2015
3. Econometric Analysis of Panel Data;Baltagi,2005
4. World Air Cargo Forecast 2014–2015;Boeing,2014
5. The local power of some unit root tests for panel data;Breitung,2001