This article presents an endogenous growth model in which credit markets af
fect time allocation of individuals with different educational abilities. C
redit markets allow the more able to specialize in studying and the less ab
le to specialize in working. This specialization can increase growth and we
lfare. This article also shows that in economies with high (low) levels of
education abilities, the opening of credit markets induces a more disperse
(equal) income distribution. The role of intergenerational transfers in ove
rcoming the absence of credit markets is also discussed, as well as other f
orms of credit markets imperfections.