We study the dynamic properties of growth rates in an overlapping generations economy with credit market imperfections. The analysis demonstrates that in early stages of financial development where credit constraints are severe, growth rates evolve monotonically. At the intermediate level of financial development, as the degree of credit market imperfections diminishes, growth rates exhibit endogenous fluctuations for some parameter values. However, as the financial sector matures, fluctuations disappear and the growth rates evolve once again monotonically.