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Research related to exchange rate management still remains of interest to economists, especially in developing countries, despite a relatively enormous body of literature in the area. This is largely because the exchange rate in whatever conceptualization, is not only an important relative price, which connects domestic and world markets for goods and assets, but it also signals the competitiveness of a country’s exchange power vis-à-vis the rest of the world in a pure market.

Since exports plays an important role in the economic growth of many advanced and developing countries, as far as making those countries as the strongest countries, the effective factors in turn, could pave way for progress of countries since increase or decrease in exchange rate leads to the decrease or increase in export. Nigeria is endowed with various kinds of resources needed to place her amongst the top emerging economies of the world. Unfortunately, the nation has not adequately benefitted from the economic prosperity expected of a nation so richly blessed.

Real exchange rate can be defined as the nominal exchange rate that takes the inflation differentials among the countries into account. It is the purchasing power of two currencies relative to one another. While two currencies may have a certain exchange rate on the foreign exchange market, this does not mean that goods and services purchased with one currency cost the equivalent amounts in another currency. This is due to different exchange rates with different countries. Exchange rate is used to determine an individual country’s currency value relative to the other major currencies in the index as adjusted for the effects of inflation. This is also the value that an individual consumer will pay for an imported good at the consumer level. This price includes tariffs and transaction costs associated with importing the good.

Non-oil exports are products which are produced within the country in the agricultural mining, quarrying and industrial sector that are sent outside the country to generate revenue for the growth of the economy excluding oil products. These non-oil products include products like beans, cocoa, timber, groundnut, coal etc.

Nigeria’s overall economic performance since independence in 1960 has been unimpressive. Despite the availability of huge amount of foreign exchange derived mainly from its oil and gas resources, economic growth has been weak  and the incidences of poverty has increased. The objective of every independent nation like Nigeria is to improve the standard of living of its citizenry and promote economic growth and development of the country but due to vicious circle of poverty, scarcity of resources and the law of comparative advantage, countries depend on each other to foster economic growth and achieve sustainable economic development.

Hasanov and Samadova (2012) noted that expanding non-oil export to get rid of one-product economy has been known as a solution for economic development in oil producing countries which Nigeria is one of them and is the sixth largest oil producing and exporting countries in the world. According to export-led growth hypothesis, increased export can perform the role of “engine of economic growth” because it can increase employment, create profit, trigger greater productivity and lead to rise in accumulation of reserves allowing a country to balance their finances.

Hasanov and Samadova (2012) also revealed that there are some challenges for countries with abundant natural resource such as oil in comparison with other countries. The main point is that in parallel with windfall of oil revenues, these countries have to pay more attention to the development of the non-oil sector as well as its export performance. Because in the most of the cases oil driven economic development leads to some undesirable consequences such as Dutch Disease in the oil rich countries. The Dutch Disease concept provides the relationship between the exchange rate and non-oil export. According to this concept the appreciation of a country’s real exchange rate caused by the sharp rise in export of a booming resource sector draws capital and labour away from a country’s manufacturing and agricultural sectors, which can lead to a decline in exports of agricultural and manufactured goods and inflate the price of non-tradable goods. Corden (1982); Corden and Nearly (1984) and Hassanov and Samadova, (2012) postulated that if we divide overall export of oil rich countries into oil and non-oil exports, appreciation of real exchange rate which is specific for these countries negatively affects non-oil exports while export revenues of oil sector mainly depends on oil price in the world markets.

Experimental studies of the growth rates of countries endowed with natural resources have showed paradoxical finding that countries which are amply endowed with resources tend to grow slower than others. One economic explanation for this paradoxical phenomenon is that the resource exporter’s real exchange rate co-moves with highly volatile commodity prices. In price upturns, the real exchange rate appreciates and undercuts the competitiveness of the domestic industry. Lost industry is then difficult to reconstruct when the commodity price falls and over several price cycles, the country loses its non-resource industrial base (Sachs and Warner, 2005; Auty, 2001; Torvik, 2001; Collier and Goderis 2007). Omojimite and Akpokodje (2010) asserted that the dependence of Nigeria on crude oil exports had important implications for the Nigerian economy since the oil market is a highly volatile one. For example, being dependent on the export of crude oil, the Nigerian economy became subject to the vicissitudes and vagaries of the international oil market such that international oil price shocks were immediately felt in the domestic economy. Coupled with this, Nigeria implemented a fixed exchange rate system that engendered overvaluation of the domestic currency, serving as a disincentive for increased exports through non-competitiveness of the country’s non-oil exports. On the other hand, the overvalued exchange rate enhanced imports thereby exacerbating the already precarious balance of payment position.


The Nigerian government has over the years engaged in international trade and has been formulating trade and exchange rate policies to promote trade (Adewuyi, 2005). Although a number of exchange rate reforms or devaluation has been carried out by successive governments, the extent to which these policies have been effective in promoting export has remained unascertained. This is because despite’ government efforts, the growth performance of Nigeria non-oil export has been very slow. It grew at an average of 2.3% during the 1960 -1990 period, while its share of total export declined from about 60% in 1960 to 3.0% in 1990 (Ogun,2004). Looking at the sectoral contribution to non-oil export in the period before the introduction of the Structural Adjustment Programme (SAP) (1975-1985), it can be seen that agricultural sector contributed about 4.0% and Windfalls that result from volatile oil price surges/shocks overwhelmingly flow through the economy; expand the oil sector to the detriment of the non-oil sector (Mieiro and Ramos, 2010).

  • Is there any significant impact of exchange rate adjustments on volume of Nigeria’s non-oil exports between the periods of 1985-2015?
  • Is there any long-run relationship between exchange rate adjustments and volume of Nigeria’s non-oil exports?
  • Is there any causality between exchange rate adjustments and non-oil exports in Nigeria?
  • What else needs to be done in order to diversify the economy and develop the non-oil sector to realize the potentials of the sector?
  • To ascertain if there is any significant impact of exchange rate adjustments on volume of Nigeria’s non-oil exports between the periods 1985-2015
  • To ascertain if there is any long run relationship between exchange rate adjustments and volume of Nigeria’s non-oil exports
  • To ascertain if there is any causality between exchange rate adjustments and non-oil exports in Nigeria.
  • To evaluate government policies or measures towards boosting non-oil sectors’ contribution to the Nigerian economy

In testing for statistical significance or non-significance of the data,

H0: Real exchange rates have no significant impact on non-oil exports in Nigeria between the periods of 1985-2015

H0: There is no long-run relationship between exchange rate adjustments and volume of Nigeria’s non-oil exports

H0: There is no causality between exchange rate adjustments and non-oil exports in Nigeria



The study will be based largely on secondary data. The analysis will also be based on the non-oil sector and its effects by real exchange rate over the period 1985-2015, that is, a period of 30 years. The study relies heavily on the following sources:

  1. CBN Statistical Bulletin 2015
  2. Nigeria Bureau of Statistics



The effects of recent global economic crisis on the Nigerian economy call for an urgent need of economic diversification in the country. Although, no country is immune to such global crisis, the over-dependence on oil export proceeds by Nigeria makes her exchange rate and economy susceptible to external shocks. A research of this nature is therefore needed to examine Nigeria’s exchange rate sensitivity. This study would further provide an econometric assessment of the impact of real exchange rate fluctuations on the performance of non-oil export in Nigeria, This would therefore go a long way in helping design policies and measures to protect these local industries as well as other sectors of the economy from exchange rate volatilities and other external shocks. In order to understand exchange rate fluctuations better, this study would go further to identify the economic factors that are responsible for exchange rate volatility. Once we are able to identify the factors behind the fluctuations, then it would be easier for policy makers to influence the exchange rate through the price system in favour of their countries.

  • Organization of the Study

The study is structured as follows;

The first chapter shall contain the background to the study, the statement of the problem, the research questions and objectives, research hypotheses, significance of the study and scope of the study.

Chapter two summarizes the opinions of authorities on the subject matter by reviewing their literatures; theoretical literature, conceptual literature, review of basic theories, other theoretical issues and empirical literature review.

Chapter three shall state the method to be adopted in the study; theoretical framework, model specification, explanation of variables, estimation technique, the evaluation of estimates and restatement of hypotheses.

Chapter four shall focus on the presentation and interpretation of the regression results.

In chapter five, the findings would be summarized, conclusions drawn and recommendations made.



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