carbon dioxide output, and technological limitations for wind and solar power. Nevertheless, financing for fusion companies … equity tranches, with first loss capital guarantees from governments and philanthropic partners. The megafund exploits many … functioning power plant. The model expands the pool of available capital by creating tranches with different risk–return tradeoffs …

, inside ownership, and the marginal cost of capital. We discuss implications for the determinants of firm size, the …We investigate the cost of capital in a model with an agency conflict between inside managers and outside shareholders …. Inside ownership reflects the classic tradeoff between incentives and risk diversification, and the severity of agency costs …