Engel, Dirk; Procher, Vivien - In: Applied Economics 44 (2012) 15, pp. 1931-1940
Many empirical papers tested the theoretical predictions of Helpman, Melitz and Yeaple (HMY, 2004) which sorts firms at different internationalization states according to their productivity levels. While these papers ignore the fact, that the theoretical predictions of HMY only apply to firms...