Tendo em vista a flutuação de preço no mercado e o longo período maturação do investimento gado corte, é interesse agente racional tomar decisões que mitiguem eventuais perdas associadas eventos não previstos. Dessa forma, presente estudo busca analisar efetividade da estratégia hedge contratos futuros boi gordo, negociados na B3, como mecanismo financeiro proteção ao risco para os produtores c...

We consider multivariate stationary processes ( X t ) satisfying a stochastic recurrence equation of the form = ???? ? 1 + Q , where are i.i.d. random vectors and Diag b c M … d diagonal matrices (Mt) variables. obtain full characterization vector scaling regular variation properties ), proving that some coordinates Xt, i j asymptotically independent even though all rely on same input (Mt). pro...

Using the data from GCC countries, this paper analyses co-movement between oil price, EU carbon allowance prices, global clean energy index and equity three counties, namely, Kuwait, Saudi Arabia United Arab Emirates. Almost no previous research has investigated dynamic interrelations in conventional markets, like those of against dramatic growth production new emissions trading schemes. Employ...

In this paper, we analyse co-movements and correlations between Bitcoin thirty-one of the most-tradable crypto assets using high-frequency data for period from January 2019 to December 2020. We apply Diagonal-BEKK model pre-COVID COVID-19 periods, identify significant changes in patterns during pandemic period. also employ Minimum Spanning Tree (MST) Planar Maximally Filtered Graph (PMFG) metho...

Þau tengsl sem unglingar mynda við flutning til nýs lands geta ráðið miklu um líðan þeirra og velferð. Markmið rannsóknarinnar var að varpa ljósi á vinatengsl eftir uppruna unglinga. Kannaður fjöldi vina af íslenskum erlendum stuðningur frá þeim, vinafjölda hlutfalls nemenda í skóla þátttakenda aldurs Íslands vinafjölda. Gögnum safnað með spurningalistakönnun lögð fyrir níu grunnskólum. Alls sv...

Abstract This paper investigates the linkage of returns and volatilities between United States Chinese stock markets from January 2010 to March 2020. We use dynamic conditional correlation (DCC) asymmetric Baba–Engle–Kraft–Kroner (BEKK) GARCH models calculate time-varying correlations these two examine return volatility spillover effects markets. The empirical results show that there are only u...