A partial risk guarantee (PRG) is one of the critical instruments in the blended finance approach that provides partial assurance to the risk investor to lend leveraged capital to the borrower. Under the PRG scheme, philanthropic capital is employed as a risk guarantee to create financial and...

According to the theory proposed by Acerbi & Scandolo (2008), the value of a portfolio is defined in terms of public market data and idiosyncratic portfolio constraints imposed by an investor holding the portfolio. Depending on the constraints, one and the same portfolio could have different...

We propose Quantum Majorization as a way of comparing and ranking correlation matrices, with the aim of assessing portfolio risk in a unified framework. Quantum majorization is a partial order in the space of correlation matrices, which are evaluated through their spectra. We discuss the...