) and the Preference Ranking Organization Method for Enrichment Evaluations (PROMETHEE), which allow hierarchical evaluation … parts and the determination of weights for criteria, while the PROMETHEE method allows the investor to determine the …

This paper studies mergers in markets where firms invest in a portfolio of research projects of different profitability … effect of mergers makes them consumer welfare improving. With constant elasticity of demand and constant marginal costs, a … demand. The portfolio effect of mergers may dominate the usual market power effects of mergers. …

Though horizon and portfolio problems are commonly thought to limit cooperatives' ability to capitalize on investment … horizon problem in particular may be less severe than commonly believed. Using surveys of members of three cooperatives, this …