The paper proposes an intertemporal equilibrium model with monopolistic competition and start-up investment with variable capacity to explain the nexus between business formation and medium-run growth. An investment externality is identified that results in under-accumulation of capital in the...

Credit constraints are more frequent among growth companies with large investment opportunities. For the same reason, profit taxes may harm innovative firms more than standard ones. This paper develops a model of heterogeneous firms where an endogenous share opts for innovation and faces credit...

This Paper discusses the role of public policy towards the venture capital industry. The model emphasises four margins: supply of entrepreneurs due to career choice, entry of venture capital funds and search for investment opportunities, simultaneous entrepreneurial effort and managerial advice...