The authors look at eight models to forecast inbound tourist arrivals to Singapore, six of which were analyzed by Chan and by Chu. The authors explore model performance from a different perspective than either of these authors and arrive at different conclusions. Major suggestions are as follows: (1) a complete comparison among competing models during the estimation phase and a battery of performance statistics when evaluating these models sheds light on several top-performing models; (2) when evaluating the forecasting performance of competing models, different performance statistics may lead to different model selections; (3) among competing models, a model that performs best during the within-sample period does not necessarily perform best in the postsample period; (4) changing the length of the forecast horizon can have an effect on the choice of the best model; and (5) a combined model may be the one that provides the best forecasting performance.
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