The purpose lying behind this paper is twofold. In the first place, it aims at discussing the
volatility dynamics of Bitcoin, gold, oil price and stock market indices in terms of goodness-of …

Sovereign debt markets can be mechanisms of contagion for financial policy interventions,
and financial risks in general. This study tests causality in-mean and in-variance on a full …

In this paper, we investigate the impact of online economic news on BM&FBOVESPA, the
leading stock exchange in Brazil. We collected economic news published in high circulation …

To determine whether accounting fundamentals can provide relevant information to clarify
firm value, this study examines the value relevance of accounting fundamentals in the …

Purpose The purpose of this paper is to provide a stable model which covers market
information of return to examine the empirical differences between the returns during night …

A part of the financial literature has attempted to explain idiosyncratic asset shocks through
investor behavior in response to company news and events. As a result, there has been an …

La Directiva 2009/138/CE del Parlamento Europeo y del Consejo, de 25 de noviembre de
2009, denominada Solvencia II, establece la obligación por parte de las agencias …

Purpose This empirical work studies the influence of investors' Internet searches on financial
markets. Design/methodology/approach In this study, an asset pricing model with six factors …

A part of the financial literature has attempted to explain idiosyncratic asset shocks through
investor behavior in response to company news and events. As a result, there has been an …

The present dissertation develops methods of the estimation of the whole day covariance
matrices based on available intraday high-frequency data. In the first chapter, existing …