In order to provide further insight to explain the impacts of the ACFTA on intra- and extra-regional exports in various types of products, we also estimate the gravity model given by Eq. (4) for four different products. The theoretically justified specification suggested by Baier and Bergstrand (2007) that controls for country-and-time effects (it, jt) and country-pair fixed effects (ij) is used. The main results are presented in Table 3