This paper examines an economic union where oligopolistic firms produce by skilled and unskilled labor and do in-house Ramp;D by skilled labor. The planner of the union accepts new members to the union, regulates the labor market through a minimum wage for unskilled labor and supports firms by...

This paper examines an economy with a large number of industries, each producing a different good. Technological change follows a Poisson process where firms improve their productivity through investment in Ramp;D. The less there are firms in the economy or the more they can coordinate their...