Recent Studies on Economic Assimilation for Canadian Immigrants Have Found

Recent studies on economic assimilation for Canadian immigrants have found all of the following, EXCEPT that:

A) The entry effect is diminishing over time as the recent immigrants had higher levels of skills than the earlier immigrants.
B) The assimilation rates are uniformly too low for the average earnings of any cohort of immigrants to catch up with the comparable native born.
C) The return to years of experience is much lower for immigrants educated outside Canada.
D) The return to a year of education is much lower for immigrants educated outside Canada.
E) "Age at immigration" matters.