Effect of Public Finance Implications on The Economic Standard of Nigerians: A Longitudinal Study

This study examined the impact of the national budget, exchange rates, trade openness, inflation rates, and interest rates on the purchasing power parity and per capita income of Nigeria during the period spanning from 2009 to 2022. Data was gathered from the Central Bank Nigeria and the World Bank. The data was further analyzed using descriptive statistics and Ordinary Least Square methods at a significance level of 5% for the purpose of detailed estimation. Results of the study showed that the national budget, exchange rates, trade openness, inflation rates, and interest rates had significant and positive impacts on Nigeria’s purchasing power parity and per capita income. The results of the study imply that, to increase the purchasing power parity and per capita income of Nigerian citizens, the government should focus on improving the quality of budget execution, ensure exchange rate stability, implement more trade policies that will open the Nigerian market and increase foreign investment, focus on maintaining a low inflation rate, and ensure the stability of