Redo the analysis of the schleifer-vishny model with this

Question

Investment externalities in an industry with decreasing returns to scale:

Suppose that the entrepreneur's limited attention, say, induces decreasing returns to scale.

Income in the case of success is R(I), whereR (∞) = 0.

Redo the analysis of the Schleifer-Vishny model with this modification, and determine the sign of the investment externality.