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This study investigates the relationship between government recurrent expenditures and economic growth in Nigeria for 18 years: 1999-2016. In doing this, the paper disaggregated government current expenditures into five categories used as explanatory variables. The estimated result showed that influence of government expenditures on national assembly, pensions and gratuities had insignificant effect on economic growth. However, total government expenditures on administration and public debt servicing had a positive and significant effect on economic growth. Also the study revealed that total government expenditures on transfers had insignificant effect on economic growth. Study therefore recommends that annual government recurrent expenditures on administration and public debt servicing should be sustained as they led to economic growth, but that all leakages arising from such spending should be blocked in order to achieve an enhanced growth.

There exist some inherent risk elements like physical risk, environmental risk, logistic risk, financial risk, legal risk, political risk, etc. in the construction work environment in Nigeria. Before now those costing these projects use only contingency sum approach and insurance cover without properly taking into consideration all these other critical factors of risk.

The study examined effect of government agricultural expenditure on agricultural output in Nigeria using time series data from 1981 to 2014.