This paper examines the time series properties of sea level rise and the surface temperature data along the Barrier Coast of Nigeria. In particular, we focus on the seasonality and the degree of persistence of the series, measured in terms of seasonal and non-seasonal unit roots along with...

We examine the relationship between oil prices and the stock market in Nigeria. We focus on the degree of persistence of the series, and based on the similarities observed between the two series, a fractionally cointegrated framework is proposed. The results indicate that the two series display...

This paper applies the causality test in the frequency domain, developed by Breitung and Candelon (2006), to analyze whether sunspot numbers cause global temperatures, using monthly data covering the time period 1880:1-2013:9. While, standard time domain Granger causality test fails to reject...

This paper deals with the analysis of global temperatures and sunspot numbers and the relationship between the two. We use techniques based on the concept of long range dependence. For the temperatures, the best specification seems to be a fractionally integrated or I(d) model with an order of...

This paper considers the persistence and asymmetric volatility at each market phase of the Nigerian All Share Index (ASI). The estimate of the fractional difference parameter is used as a stability measure of the degree of persistence in the level of the series and in the absolute/squared...

In this paper we examine the statistical properties of several stock market indices in Europe, the US and Asia by means of determining the degree of dependence in both the level and the volatility of the processes. In the latter case, we use the squared returns as a proxy for the volatility. We...

Over the past decades, there is an increased trend in the international financial integration as countries are removing and relaxing controls on cross-border investment. Capital can flow easily to the destination that offers higher returns as the results of decreasing obstacles to international...

In this paper, we investigate the relationship between liquidity and stock returns in the Vietnam stock market during the global financial crisis. Vietnam is one of a new group of frontier emerging markets referred to as CIVETS (Colombia, Indonesia, Vietnam, Egypt, Turkey, and South Africa). We...

Despite the well documented gains from international diversification, investors continue to show a strong preference for investing in domestic assets, a phenomenon referred to in the literature as ‘home bias’. This bias comes at a price — a higher cost of capital for businesses. We...

Employing a panel data modelling technique, we contribute to two critical research issues: what is the link between Foreign Direct Investment (FDI) and economic growth and does the relationship change under different educational, institutional and economic conditions? Overall, the analysis...