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This study investigated the link between energy consumption (EC), foreign direct investments (FDI), urbanization (URB) and CO2 emissions in the emerging seven (E7) countries for the period 1991 to 2014. The exploration made a methodological contribution by employing modern econometric methods that are robust to the issues of cross-sectional dependence and slope heterogeneity, so as to obtain valid and reliable outcomes. From the results, the panel under consideration was heterogeneous and cross-sectionally correlated. Also, the series were first differenced stationary and cointegrated in the long-run. The DCCEMG and the DCCEPMG estimators were engaged to explore the long-run elastic effects of the covariates on the response variable, and from the results, EC and URB were key promoters of CO2 effusions in the countries. However, FDI mitigated the emanation of CO2 in the nations. Additionally, economic growth (GDP) and population growth (POP) escalated the emittance of CO2 in the E7. On the D-H causality test outcomes, a feedback causality amid POP and CO2 effusions; GDP and CO2 excretions; FDI and CO2 emissivities; and between URB and CO2 secretions were discovered. Finally, a one-way causation from URB to the effluents of CO2 was unfolded. Based on the verdicts, policy suggestions were proposed to help abate the rate of CO2 exudations in the countries.

The study examines the impact of working capital management on profitability of Global Haulage Company Limited in Ghana. The service sector, which Global Haulage Company Limited forms part accounts for about 51% of national output and this show how vital the service sector has become in terms of job creation and gross domestic product growth in the Ghanaian economy. This study therefore employed the autoregressive distributed lag (ARDL) technique to examine the relationship between working capital management and profitability of firms in Ghana using Global Haulage Company Ltd as a case study with a period range of 1995 to 2013. The regression results showed that debt ratio, firm size and current assets to total assets ratio are negatively related to firm profitability whilst current liabilities to total assets ratio is positively related to firm profitability. The study therefore recommends that, management should use less of debt in financing their activities to be able to increase profit since high debt ratio adversely impact on profitability. Also, aggressive working capital policies should be pursued if management’s goal is to increase profit. In addition, policy makers should check and work on the managerial inefficiencies which are making the firm experience diseconomies of scale.

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