Patterns of Trade and Growth Under Increasing Returns: Escape from the Poverty Trap—a Comment

The paper generalizes a two-sector model of trade and growth in which the investment good sector exhibits an initial phase of increasing returns. It dispenses with the restriction that the utility function be of the isoelastic type. Allowing for general concave utility functions, it demonstrates that the qualitative properties of optimal growth and trade patterns are robust with respect to a wide choice of functional forms.
JEL Classification Numbers: O41, F12.