This research focuses on the demand for South Korean tourism. Data used in conducting this research is the total inbound visitors to South Korea from January 1975 to December 2013. This research makes prediction from the vertex form of Quartic model. In the part of out-of-sample forecast, the author uses MAPE and RMSE in comparison with those of SARIMA(2,1,2)(1,1,1)12 and NAÏVEⅠ.
