Because of the recent surge in the number of unicorns and their role in spurring entrepreneurship and social impacts, venture capitalists, entrepreneurs, and regulators are concerned about how startup firms are valued. This is due to a lack of financial and historical information about startups...

A major issue in both Islamic finance and conventional finance is whether the shocks to the volatilities in the asset returns are substitutes or complements in terms of taking risk. An understanding of how volatilities of and correlations between asset returns change over time including their...