Two stylized representations are often found in the academic and policy literature oninformality and formality in developing countries. The first is that the informal (or unregulated)sector is more competitive than the formal (or regulated) sector. The second is that contractenforcement is...

This paper examines an economic union where oligopolistic firms produce by skilled andunskilled labor and do in-house R&D by skilled labor. The planner of the union accepts newmembers to the union, regulates the labor market through a minimum wage for unskilledlabor and supports firms by...