This paper studies mergers in markets where firms invest in a portfolio of research projects of different profitability and social value. The portfolio nature of the investment problem brings about novel insights on the external effects of firms' investments. The investment of a firm in one...

This paper studies mergers in markets where firms invest in a portfolio of research projects of different profitability and social value. The portfolio nature of the investment problem brings about novel insights on the external effects of firms' investments. The investment of a firm in one...

This paper studies mergers in markets where firms invest in a portfolio of research projects of different profitability and social value. The portfolio nature of the investment problem brings about novel insights on the external effects of firms' investments. The investment of a firm in one...

We analyse the impact of environmental policy in a vertical chain where an upstream monopolist uses a mixed portfolio, consisting of a polluting and a green technology. We examine and compare a no-intervention benchmark, a green subsidy, an abatement tax, a mandatory green standard, and a...