A numbers of studies focusing on the determinant of the insurance market efficiency haveincreased in the last decade. In fact, many factors, like the CEO's power, can influence the efficiency in the insurance firm. The purpose of this research is to analyze the relationship between efficiency,...

This paper applies long-memory techniques (both parametric and semi-parametric) to examine whether Brexit has led to any significant changes in the degree of persistence of the FTSE (Financial Times Stock Index) 100 Implied Volatility Index (IVI) and of the British pound’s implied volatilities...