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This research investigates the effects of government expenditure in Uganda on infrastructure in promoting sustainable economic. The study used a longitudinal research design using financial records from financial years 1984-85 to 2015-16 as population with a sample size of 32 annual observations. The Johansen cointegration test indicates a long-run association between government expenditure in infrastructure, communication, electricity, and financial development. The Granger- Connection findings shows indirect connection between economic development rate and all the parts of public spending that were used with P-Value 0.04 and lastly, the Vector Auto Regressive (VAR) consequences indicated that public spending on infrastructure, communication, and energy, had a direct effect on economic development rate with P-Value 0.00. The paper recommended that extra spending on substantial infrastructures such as roads, airports, railways, water facilities, electricity, and communication add extensively to the economic development rate by growing the efficiency of the public and private sectors.

Foreign Direct Investment (FDI) is crucial to support economic development for developed and developing countries. The aim of this paper is to examine the effect of Foreign Direct Investment (FDI) on poverty alleviation in East Africa Countries. The study adopted a time series data research design where by secondary data were used. The population applied on the financial records from 1987/88 - 2017/18 financial years (Annual Data). The sample size of the study was 31 annual observations. Tanzania was purposively sampled to be used as research location of this study. The data collected from various reliable sources which included the National Bureau of Statistics (NBS), Bank of Tanzania (BOT), Tanzania Investment Centre (TIC), World Bank (WB), International Monetary Fund (IMF) and United Nation Conference on Trade Development (UNCTAD). The results of the study revealed that FDI have statistical significant effects on poverty alleviation on East African countries with P- Value 0.008. The study recommends that policy makers in collaboration with the government have to pertain favorable and investment’s friendly strategies as well as commenced essential strategies transformation so as to solve the problems associated with investment sector in East Africa Countries which usually hinder the development and growth of the FDI

the practical implication of the result indicated that the tax rate associated with tax is very high that affect the non-tax compliance, while the social implication of the study is that high tax rate causes the government to lose revenue and hence diminishes the efforts of providing social services to the citizens.

This study assesses the connection between money supply and economic growth in developing countries. The study made use of time series data from the National Bureau of Statistics (NBS) and Bank of Tanzania. The study was looked at using the Auto Regressive Distributed Lag Model (ARDL). The study demonstrates that overall, the money supply has a significant favorable effect on economic expansion. The results demonstrate that the money supply boosts economic growth in underdeveloped nations. The results of the study indicate that, on the whole, the money supply has a significantly favorable effect on economic expansion. According to the results, emerging nations' economies expand faster when there is more money available. In order to forecast the future value of economic growth, the study also recommended that future studies include exogenous variables in autoregressive integrated moving averages.