This paper examines the time-series relation between the price-earnings (P/E) multiple and market volatility for the G-7 markets. If investors are risk-averse agents and demand a higher required rate of return to take on more risk, then we should expect P/E to be inversely related to volatility....

The time series movements of Bitcoin prices are commonly characterized as highly nonlinear and volatile in nature across economic periods, when compared to the characteristics of traditional asset classes, such as equities and commodities. From a risk management perspective, such behaviors pose...