The main purpose of the study is to develop a methodology that divides consumers’ responses to free trade agreements (FTAs) or commodity taxes into quantitative and qualitative margins, which cause exogenous price changes for certain specific goods. Unlike the usual method of using unit values...

The income of the self-employed is often assumed to be understated in economic statistics. Controversy exists about the best method for estimating the extent of under-reporting and about the resulting measures of the size of the underground economy. This paper refines a method developed by...

On 20 December 2015, the Korea-China Free Trade Agreement (FTA) entered into force. The Korea-China FTA would impact both economies' welfare in the long run, elevating it to a higher level compared to before the FTA was concluded. However, it must be pointed out that in the short run, trade...