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Social and Behavioral Sciences Commons™
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Articles 1 - 7 of 7
Full-Text Articles in Social and Behavioral Sciences
Best Linear Unbiased Estimate Using Buys-Ballot Procedure When Trend-Cycle Component Is Linear, Ifeanyi S. Wueze, Nwogu C. Eleazar, Jude C. Ajaraogu
Best Linear Unbiased Estimate Using Buys-Ballot Procedure When Trend-Cycle Component Is Linear, Ifeanyi S. Wueze, Nwogu C. Eleazar, Jude C. Ajaraogu
CBN Journal of Applied Statistics (JAS)
The Best linear unbiased estimate (BLUE) of Buys-Ballot estimates when trend-cycle component is linear are discussed in this paper. The estimates are those proposed by Iwueze and Nwogu (2004). Discussed are the Chain Based Estimation (CBE) method and the Fixed Based Estimation (FBE) method. The variates for the CBE method were found to have constant mean and variance but are correlated with only one significant autocorrelation coefficient at lag one. The variates for the FBE method were found to have constant mean, non-constant variance but with constant autocorrelation coefficient at all lags . Because the CBE variates exhibit stationarity, Best …
Stock Market Reaction To Selected Macroeconomic Variables In The Nigerian Economy, Abraham Williams Terfa
Stock Market Reaction To Selected Macroeconomic Variables In The Nigerian Economy, Abraham Williams Terfa
CBN Journal of Applied Statistics (JAS)
This study examines the relationship between the stock market and selected macroeconomic variables in Nigeria. The all share index was used as a proxy for the stock market while inflation, interest and exchange rates were the macroeconomic variables selected. Employing error correction model, it was found that a significant negative short run relationship exists between the stock market and the minimum rediscounting rate (MRR) implying that, a decrease in the MRR, would improve the performance of the Nigerian stock market. It was also found that exchange rate stability in the long run, improves the performance of the stock market. Though …
On Fractionally Integrated Logistic Smooth Transitions In Time Series, Olanrewaju I. Shittu, Yaya S. Olaolua
On Fractionally Integrated Logistic Smooth Transitions In Time Series, Olanrewaju I. Shittu, Yaya S. Olaolua
CBN Journal of Applied Statistics (JAS)
Long memory and nonlinearity are two key features of some macroeconomic time series which are characterized by persistent shocks that seem to rise faster during recession than it falls during expansion. A variant of nonlinear time series model together with long memory are used to examine these features in inflation series for three economies. The results which compares favourably with that of van Dijk et al. (2002) elicit some interesting attributes of inflation in the developed and developing economies.
Global Financial Meltdown And The Reforms In The Nigerian Banking Sector, Sanusi L. Sanusi
Global Financial Meltdown And The Reforms In The Nigerian Banking Sector, Sanusi L. Sanusi
CBN Journal of Applied Statistics (JAS)
The paper examined the global financial meltdown and the reforms in the Nigerian banking sector. It was a public speech by the formal Governor of the Central Bank of Nigeria that observed the extent and severity of the crisis that began with the bursting of the housing bubble in the United States in August 2007 reflects the confluence of myriad of factors some of which are familiar from previous crises, while others are new. As in previous times of financial turmoil, the pre-crisis period was characterized by (i) surging asset prices that proved unsustainable; (ii) a prolonged credit expansion leading …
Effects Of Global Climate Change On Nigerian Agriculture: An Empirical Analysis, Apata T. .G
Effects Of Global Climate Change On Nigerian Agriculture: An Empirical Analysis, Apata T. .G
CBN Journal of Applied Statistics (JAS)
This paper presents an empirical analysis of the effects of global warming on Nigerian agriculture and estimation of the determinants of adaptation to climate change. Data used for this study are from both secondary and primary sources. The set of secondary sources of data helped to examine the coverage of the three scenarios (1971-1980; 1981-1990 and 1991-2000). The primary data set consists of 900 respondents’ but only 850 cases were useful. This study analyzed determinants of farm-level climate adaptation measures using a Multinomial choice and stochastic-simulation model to investigate the effects of rapid climatic change on grain production and the …
Robust Linear Classifier For Unequal Cost Ratios Of Misclassification, Oludare S. Ariyo, A O. Adebanji
Robust Linear Classifier For Unequal Cost Ratios Of Misclassification, Oludare S. Ariyo, A O. Adebanji
CBN Journal of Applied Statistics (JAS)
This paper focuses on the robust classification procedures when the assumption of equal cost of misclassification is violated. A normal distribution based data set is generated using the Statistical Analysis System (SAS) version 9.1. Using Barlett’s approximation to chi-square, the data set was found to be homogenous and was subjected to three linear classifiers namely: Maximum Likelihood Discriminant Function (MLDF), Fisher’s linear Discriminant Function and Distance Based Discriminant Function. To Judge the performances of these procedures, the Apparent Error Rates for each procedure is obtained for different cost ratios 1:1, 1:2, 1:3, 1:4 and 1:5 and sample sizes 5:5, 10:10, …
A Kalman Filter Approach To Fisher Effect: Evidence From Nigeria, Omorogbe J. Asemota, Dahiru A. Bala
A Kalman Filter Approach To Fisher Effect: Evidence From Nigeria, Omorogbe J. Asemota, Dahiru A. Bala
CBN Journal of Applied Statistics (JAS)
This paper investigates evidence of a Fisher effect in Nigeria by employing quarterly CPI inflation and Nominal interest rates data. For a more robust result we conducted integration and cointegration tests in order to examine time-series properties of the variables. Using Co-integration and Kalman filter methodologies, the study did not find evidence of a full Fisher effect from 1961:1-2009:4. This result indicates that nominal interest rates do not respond one-for-one to changes in inflation rates in the long run despite the presence of positive relationship among the variables. Our study recommends the adoption of potent policies aimed at checking inflation …