Biodiesel continues to be an alternative fuel of interest for use in diesel engines. Although biodiesel’s properties are similar to petroleum diesel’s, certain differences create possibilities for parameters, such as efficiency, to be different. The objective of the study is to identify the...

This study investigates whether experts’ group-based judgmental adjustments to econometric forecasts of tourism demand improve the accuracy of the forecasts and whether the adjusted forecasts are unbiased. The Delphi method was used to aggregate experts’ judgmental adjustments and a range of...

This study evaluates the forecasting accuracy of five alternative econometric models in the context of predicting the quarterly international tourism demand in 25 countries or country groupings. Tourism demand is measured in terms of tourist expenditure by inbound international visitors in a...