Kelechi
Johnmary Ani
Alex
Ekwueme Federal University, Nigeria
E-mail: kelechi.ani@funai.edu.ng
Chigozie
Onu
Nnamdi
Azikiwe University, Nigeria
E-mail: asiano.jc@gmail.com
Submission: 11/4/2020
Revision: 12/15/2020
Accept: 1/5/2021
ABSTRACT
The study analyzed the effect of foreign direct
investment on gross national income over the period of 2006- 2019. The main
type of data used in this study is secondary; which were sourced from various
publications of Central Bank of Nigeria, such as; Statistical Bulletin, Annual
Reports and Statement of Accounts. The regression analysis of the ordinary
least square (OLS) is the estimation technique that was employed in this study
to determine the effect of the Direct Foreign Investment on gross national income
in Nigeria. The cointegration test showed existence of a long run relationship and an
indication that 1 cointegrating vectors exist at 5% level of significance among
the variables which was corrected with error correction mode (ECM). The result showed that foreign direct
investment had a positive effect on gross national income during the period
2006 – 2019. It also revealed that gross domestic product, exchange rate and
unemployment rate has a positive effect on gross national income in Nigeria
during the same period. The study recommends that government should try
to develop trade zones, which are solely based on free economic movements and
policies. The study recommends official re-consideration of different
determinants of gross national income (GNI) attractions. Government incentives,
infrastructure and policies should be put in place to make it easy for general
foreign investors, to find Nigeria safe and reliable to invest. Finally, unique
fiscal and monetary policies should be formed to strengthen the other
macroeconomic variables which will help to overcome the situation of shocks in
Nigeria while hosting Foreign Direct Investment inflow for future sustainable
economic development.
Key Words: Foreign Direct Investment, Gross National Income, Exchange rate, Gross Domestic Product, Unemployment rate, Economy and Nigeria
1.
INTRODUCTION
Foreign
direct investment (FDI) is a collection investment within a country that
influences national economy. National output of national economy is the whole
production of a country including the flow between sectors. It is often
assessed using official system of accounting, which is present in every
country. Although calculating vast number of each transaction is impossible for
governments, but most of the fairly used systems produce accurate results.
There is a direct connection between FDI and gross domestic product (GDP).
Gross Domestic Product is method of calculating the market prices of all
the final goods and services produced during a year, and adding all of them as
a sum, minus the income of the non-resident population. GDP as income is
the sum of all the income produced by the different sectors of economy in a
country (Boyes & Melvin, 2012).
Furthermore,
gross national income is a recently used term by different firms, like World
Bank and other international organizations, as the substitute of the Gross
National Product, which is the sum of GDP plus non-resident income from abroad.
They are mainly used as yardstick for measuring economic developments. Conceptually,
GNI and GNP are considered same (Peng, 2010).
There
is a vast difference in the income per capita and the output per worker in
between world’s top rich countries, from other poor countries, while some of
the poor countries have around 30% lower income values than their rich
counterparts. Now, the question arises in the mind asking why is economic
growth so important. This can be deduced from the fact that the higher the
income rates of the country per capita, the higher the standard of living the
country has. Although economic development is often seen as directly correlated
to exploitation of natural habitats; it cannot be denied that those factors on
the other hand improves the development of human life, living conditions and
overall health status (Acemoglu, 2008).
In
1980s, it was seen that those countries which saw declining trend in commercial
banking sought to attract foreign direct investment through tax incentives and
sub diaries. Although it was not clear what is the direct effect of foreign
investment on the economic growth of a reign, but many countries adopt
mechanisms to attract foreign direct investment in their countries. Some
theories suggest that the technological and business practices can be easily
transferred to the poorer countries through foreign direct investment. On the
other hand, some theorists suggest that foreign direct investment may slow down
the resource allocation process and growth, if those economies already have
trade, financial and business resources (Carkovic
& Levine, 2002). This study therefore focuses on the effect of foreign
direct investment on the gross national income in Nigeria during the period.
2.
Literature Review
Foreign
direct investment is a means, by which the residents of one country (base
country) purchases the assets, in order to control the flow of production,
distribution and other activities of a firm or an organization in a foreign
country. The key point that differentiates foreign direct investment from
portfolio investment is that foreign direct investment includes control
interest. Foreign direct investment plays a vital role in transformation of
economies because it substitutes the domestic savings and contributes to
national capital (Moosa, 2002).
Foreign investment has always been
of important support to Nigeria in bridging the gap in some macroeconomic
fundamentals like Gross National Income, Gross Domestic product, exchange rate
and Balance of Payment. It plays a crucial role in exchange rate, especially in
determining the growth and the income level of the economy (Divya
& Devi, 2014). It is classified as one of the most suitable inputs which
give instant relief to a developing economy. It plays the role of stabilizing
economy in the long run. The extent of the flow of foreign aid varies due to
policy restriction of the different countries.
The emerging economies have a
significant impact on foreign investment on their domestic investment levels as
indicated by Shah, et al. (2019). As a part of foreign investment, Foreign
Direct Investment (FDI) assists emerging economies with providing a significant
impact on different macroeconomic variables and institutional variables in it
(Uddin, et al. 2019). Also, the
assistance in technological support in developing economies is always a factor
in attracting FDI in different countries. Apart from that, it aids the
governance of national economies (Kayalvizhi, et al. 2018). It should be noted that
sector-specific usage of FDI has also been observed in recent times.
2.1.
Gross National Income
Gross
National Income is a recently used term by different firms, like World Bank and
other international organizations, as the substitute of the Gross National
Product, which is the sum of GDP plus non-resident income from abroad. They are
mainly used as a yardstick for measuring economic developments. Conceptually
GNI and GNP are considered same (Peng, 2010).
The monetary income element is also
captured by the Gross National Income (GNI), which is often regarded as an
either complementary or alternative measure with respect to the GDP. In recent
years, the GNI has been largely used, but we will show that contrary to the
held view that GNI is the best indicator for a population’s monetary income, as
it fails to account for some key elements.
The GNI takes into account the fact
that some incomes are generated in another country but accrue to the economy at
stake and vice versa. However, what the GNI does not record are the so-called
unilateral transfers, most importantly remittances. Their value in current prices
has increased by seven times between 1990 and 2010 (see the World Bank
Database) and they represent by far one of the largest types of monetary
inflows for developing countries.
Studies are focusing on geographical
incomes measured by GDP and their impact on FDI, but the concept of national
income in Nigeria is ignored. The total income earned by residents of a
country, whether staying in the own geographical region or overseas is measured
by Gross National Income (GNI). The optimal progress of the country is measured
by the growth in GNI. In Nigeria, GNI plays a vital role in the time of the
business cycle. Especially, at the recession, the situation of economy becomes
serious as it requires strong economic policies to overcome that period. Except
for the help of foreign inflows, it is very difficult to adjust the shocks
recurring from the economic cycle in a given country.
2.2.
The GNI and the mobility of factors
of production
As explained by the UN Systems of
National Accounts (SNA) in the 2008 handbook (UN, 2008: 105), Some of the
production of a resident producer may take place abroad, while some of the
production taking place within the geographical boundary of the economy may be
carried out by non-resident producer units (UN, 2008). In other words, a country’s
factors of production are not necessarily employed domestically, but may be
hired abroad for foreign production process.
However, their remunerations will be
(mainly) used in the domestic economy, where the factors of production dwell.
This point was stressed among others by Sweeney (1999). He questioned the
formativeness of GDP, given the weight of multinational corporation profits
that were generated in Ireland, but repatriated to the head offices abroad
(Sweeney, 1999). His claim was that the GNI was a much better indicator for
living standards, as it measures of the income generated by the resident
factors of production, regardless of the country where they are employed.
3.
THEORETICAL REVIEW
3.1.
The Classic Theory of International
Capital Flow
The Classic Theory of International
Capital Flow Drawing an analogy with the pure theory of trade argues that if
the rate of return on capital under autarchy varies across countries, the
opening up of trade in capital will lead to a flow of capital from countries
with lower returns to those with higher returns. Thus, FDI is a function of
international differences in the rates of return on capital.
This
theory suggests that if the rates of return on various investment projects
across countries have a less than perfect correlation, a firm can reduce its
overall risk exposure by diversifying its investment internationally. This
theory, however, has been criticized over the fact that in a perfect capital
market, firms need not diversify their portfolio internationally to reduce risk
for their shareholders because individual investors can do so by directly
diversifying their individual port- folios. Thus, under the assumption of
perfect competition, the portfolio approach cannot explain international
capital flow.
3.2.
Empirical Review
Matthew
and Ogunlusi (2017) examined the relationship between
foreign direct investment and employment generation in Nigeria between 1981 and
2014. The study employed Johansen co-integration to detect the long run
relationship among exchange rate, foreign direct investment, employment rate,
trade openness, interest rate and total factor productivity. The result
revealed that foreign direct investment had a positive and significant
relationship with employment generation in Nigeria.
Pegkas
(2015) found a positive long-run association between FDI flow and growth of the
economy. Doytch and Narayan (2016) explored the
causation between economic growth energy consumption and FDI flows. The
analysis found that in the non-renewable energy sector, the effect is less and
in the renewable sector, the impact is more.
Völlmecke,
et al. (2016) explained the relationship of FDI with income in European
economies. The results showed that there was less association of income with
FDI, but a higher association with human capital. The study found more
important input for income convergence as skilled labor. Goh (2017) examined
the cointegration between FDI, GDP in Asian economies. The study found there
are other factors than GDP to influence FDI in these economies.
Demir and Duan, (2018) analyzed the
effectiveness of FDI flows into host country’s economic growth in terms of
productivity. The study showed that there was no significant impact of
bilateral FDI on the growth. Gnangnon (2018) found a
positive impact of FDI inflows on economic development in developing economies.
The lower the extent of economic development, the higher is the extent of the
impact of FDI.
Kumari and Sharma (2018) explained
the causal relationship between FDI, economic growth and energy consumption in
India. The study indicated that energy plays an important role in the valuation
of GDP and GDP creates a vital role in attracting FDI in India. Mimouni and Temimi (2018)
analyzed the influence of FDI on imports and gross capital formation. The study
revealed that the impact is inconclusive. Also, the developing economies were
having less regulation over the economic environment.
Sayari, et
al. (2018) discussed the relationship between FDI and economic freedom. The
result showed that there exists a long run association between these two
variables. Brada, et al. (2019) examined the level of
corruption and FDI inflows across countries. The result showed that home
country economies are capable enough to deal with the corruption levels of host
countries.
Harb and
Hall (2019) analyzed the relationship between FDI inflow and economic growth in
developing countries. The study revealed that the impact of FDI is positive on
economic growth with diminishing returns. Ketteni and
Kottaridi (2019) explained the effect of FDI on
economic growth with the background of Multinational Enterprises (MNEs). The
study explored the growth in economies if correct policies are implemented for
expanding MNEs.
Nasir, et al. (2019) analyzed the
relation between FDI, economic growth and financial development in Southeast
Asian countries. The result showed a positive integration between them.
Sarkodie and Strezov (2019) explored the positive
correlation between FDI and economic growth in the presence of technology
transfer and labor management in developing countries. Shi (2019) discussed the
impact of FDI is more resilient in the long run than preferably a short run
impact. Uddin, et al. (2019) analyzed different factors imposing an effect on
FDI in Pakistan.
The factors which were influential
in recent times were properties rights, the infrastructural facilities and
trade liberalization. Based on the empirical evidences, it was found that
various studies have been formulated on the interrelation between FDI and the
impact on different macroeconomic variables. Also, a considerable amount of
studies is analyzed on exploring a relationship between FDI and economic growth
at the background of other macroeconomic variables.
But no such study evaluated the
relationship of FDI and economic growth taking the growth variable as Gross
National Income (GNI) in Nigeria. Thus, the present study is specified on
finding the effect of foreign direct investment on Gross national income nexus
using current and expanded empirical evidence from Nigeria. The results will
not only domesticate the effect but has established that the manifestation of
the effects of the variables can be influenced by data characteristics of the
geographical/economic setting of the study. The Nigerian market indices and
other economic indicators constituted the variables of interest.
4.
METHODOLOGY
The study adopts the ex post facto which is a very common and
ideal method in conducting research in business and social sciences. Simon and
Goes (2013) sees ex post facto
research as one which is based on a fact or event that has already happened and
at the same time employs the investigation and basic logic of enquiry like the
experimental method.
As
for this work, there are two key reasons for the choice of the ex post facto
method. Firstly, the data is ex post
from the Central Bank of Nigeria sources. Secondly, the reported figures or
proxies for the variables of interest are not susceptible to the manipulations
or doctoring of the researcher because they are information in public domain
and are easily verifiable.
Time series data used in this study is secondary; sourced
from various publications of Central Bank of Nigeria, such as; Statistical
Bulletin, Annual Reports and Statement of Accounts. The models used in this
study are estimated using data on Direct Foreign Investment (DFI) and some
macro-economic indicators, which include: Gross National Income (GNI) and Gross
domestic product (GDP) for the period 2006 – 2019.
4.1.
Model specification
To
prove the long-run effect of the variables as identified in the literature, the
presence of cointegration needs to be tested. The cointegrating regression
focused on the level series of the reported FDI inflows and GNI stated as
follows:
FDIt = α + ß1GNIt +
цt
(1)
Where:
FDIt =
Annual foreign direct investment inflows (t)
GNIt = Gross national income annually (t)
ß = Coefficient of the parameter
estimate
α = Constant.
The
model for the residual based test following Engel and Granger (1987) and Lee (1993) is stated thus:
Δцt = α1цt-1 + εt
(2)
Δцt = estimated first differenced residual
αцt-1 = estimated lagged residuals
α1 = coefficient of parameter estimates
εt =
error term
The
Error Correction Model after a confirmation of the existence of a cointegrating
relationship amongst the variables is specified thus:
ΔFDIt = α0 + α1ΔGNI + α2 цt-1 + εt
(3)
Δ = change
in first difference operator
α1, α2 =
coefficient of the parameter estimates
цt-1 =
error correction term
εt =
random error term
The
Model for the Pairwise Granger Causality Test is stated following Gujarati and
Porter (2009) thus:
FDIt = ∑ αGNI1-t + ∑ α1 FDI1-t + ц1 t (4)
For FDI→GNI
FDIt = ∑ α1GNI1-t + ∑ α1FDI1-t + ц2t
(5)
For GNI → FDI
ц1 t
and ц2t
are the
error terms
The regression analysis of the ordinary least square
(OLS) is the estimation technique that is being employed in this study to
determine the effect of foreign direct investment on Gross National Income in
Nigeria (2006 - 2019).
The
study modifies the model adopted by Shaar, Hussain
and Halim (2012) who examined the relationship between foreign direct
investment and unemployment rate in Malaysia from 1980 to 2010. GDP = f (unt,
FDIt),
where t is time trend, Unt, GDPt, FDIt are unemployment rate, gross domestic product and foreign
direct investment respectively. In modifying the model, this study adds two
variables which are gross national income and exchange rate. The empirical
model of the study, therefore, is specified as follows:
logGNI = β0 + β1fdit
+β2GDPt + EXRβ3 + UNRβ4 + ε. (6)
All
the variables used in this study are converted to natural logarithms so as to
minimize the impact of outliers and to obtain elasticity coefficients of these
variables. Therefore, the model to be estimated is as follows: Gross national income (GNI) is positively and significantly
influenced by the Foreign Direct Investment indices (Direct foreign investment,
Gross domestic product, Unemployment rate and exchange rate from 2006 - 2019),
which are formulated as follows;
GNI = f (FDI, GDP, EXR,
UNR)
lnGNI= β0 + β1LnFDI + β2LnGDP + β3LnEXR+ β4LnUNR
LnGNI = Gross National Income
LnDFI = Foreign Direct
Investment
LnGDP = Gross Domestic
Product
LnEXR = Exchange rate
UNR = Unemployment rate
β = intercept
β1 – β4 = Coefficient of the
independent variables
Figure 1: Graphic Analysis of the Variables
The
above showed the movement of foreign direct investment inflow and gross
national income of the country. It showed if inflows increase it will increase
the volume of gross national income and verse versa. The trend in Foreign
Direct Investment (FDI) is clearly showing the accelerated growth in FDI inflow
in Nigeria within 2006 -2019.
Table 1: Descriptive
Statistics of the Variables
|
FDI |
RGDP |
EXR |
UNR |
GNI |
Mean |
5.52E+09 |
1.32E+11 |
196.7800 |
13.31000 |
3.83E+11 |
Median |
5.79E+09 |
28018885 |
158.7250 |
12.50000 |
3.84E+11 |
Maximum |
8.84E+09 |
5.68E+11 |
306.9500 |
23.90000 |
5.50E+11 |
Minimum |
2.00E+09 |
521.8000 |
117.9700 |
6.000000 |
2.31E+11 |
Std. Dev. |
2.15E+09 |
2.20E+11 |
74.50098 |
5.410262 |
9.12E+10 |
Skewness |
0.062753 |
1.071515 |
0.725994 |
0.614481 |
0.052483 |
Kurtosis |
1.940263 |
2.323312 |
1.793554 |
2.290936 |
2.247586 |
|
|
|
|
|
|
Jarque-Bera |
0.664296 |
2.946114 |
2.078871 |
1.174319 |
0.336667 |
Probability |
0.717381 |
0.229224 |
0.353654 |
0.555904 |
0.845072 |
|
|
|
|
|
|
Sum |
7.73E+10 |
1.84E+12 |
2754.920 |
186.3400 |
5.36E+12 |
Sum Sq. Dev. |
5.99E+19 |
6.30E+23 |
72155.15 |
380.5222 |
1.08E+23 |
|
|
|
|
|
|
Observations |
14 |
14 |
14 |
14 |
14 |
Source:
Author’s Eviews Computation
The
descriptive statistics above shows the basic aggregative averages like mean,
median and mode for all the observations. The spread and variations in the
series are also indicated using the standard deviation. Significantly, kurtosis
which shows the degree of peakedness is also shown
together with skewness which is a reflection of the degree of or departure from
symmetry of the given series.
From
the table above, the Jacque Bera Statistics which is
a test for normality (a combined test of skewness and kurtosis) shows that all
the distributions are not normally distributed. There is a very strong evidence
to reject the null hypothesis that the variables are normally distributed. Some
the variables have JB statistics with p-values greater than 0.05 respectively. With some of the variable having kurtosis in
excess of 2, there is evidence of playtykurtic.
Though this suggests a departure from normality, it is still consistent with behaviour of most economic and financial time series
(Brooks 2010).
Table 2: Summary of the ADF
Unit Root Test
VARIABLES |
ADF Test Statistic |
CRITICAL VALUES at 5% |
PVALUE |
Order of Integration |
|||
FDI |
|
|
0.0062 |
1(1) |
|||
RGDP |
|
|
0.007 |
I(1) |
|||
EXR |
|
|
0.0063 |
I(1) |
|||
UNR |
|
|
0.053 |
1(0) |
|||
GNI |
|
|
0.043 |
1(1) |
Source: Author’s
computation from e-view8
The
test for stationarity properties of the series following the Augmented Dickey
Fuller statistics showed that FDI was stationary at 1 level, RGDP was at 1
level too and GNI was not stationary, EXR was stationary at 1 level and UNR was
stationary at level.at all level. The ADF statistics for the respective
variables were more negative than the critical values at 5% level of
significance. The reported p-values are all less than 0.05 for which cause, the
null hypothesis of the presence of unit root in all the variables is
convincingly rejected.
Table 3: johansen cointegration test (trace test)
Unrestricted Cointegration Rank Test (Trace) |
|
|||
|
|
|
|
|
|
|
|
|
|
Hypothesized |
|
Trace |
0.05 |
|
No. of CE(s) |
Eigenvalue |
Statistic |
Critical Value |
Prob.** |
|
|
|
|
|
|
|
|
|
|
None * |
0.905483 |
42.39968 |
29.79707 |
0.0011 |
At most 1 |
0.681199 |
14.09192 |
15.49471 |
0.0804 |
At most 2 |
0.030658 |
0.373649 |
3.841466 |
0.5410 |
|
|
|
|
|
|
|
|
|
|
Trace test indicates 1 cointegrating eqn(s) at the 0.05 level |
||||
* denotes rejection of the hypothesis at the
0.05 level |
||||
*MacKinnon-Haug-Michelis (1999) p-values |
|
Source: Author’s
computation from e-view8
From Table there is a confirmation
of the existence of a long run relationship and an indication that 1
cointegrating vectors exist at 5% level of significance since we cannot reject
the null at almost 1 in the Trace Test table.
Table 4: johansen cointegration test (trace test)
Unrestricted Cointegration Rank Test (Maximum
Eigenvalue) |
||||
|
|
|
|
|
|
|
|
|
|
Hypothesized |
|
Max-Eigen |
0.05 |
|
No. of CE(s) |
Eigenvalue |
Statistic |
Critical Value |
Prob.** |
|
|
|
|
|
|
|
|
|
|
None * |
0.905483 |
28.30776 |
21.13162 |
0.0041 |
At most 1 |
0.681199 |
13.71827 |
14.26460 |
0.0608 |
At most 2 |
0.030658 |
0.373649 |
3.841466 |
0.5410 |
|
|
|
|
|
|
|
|
|
|
Max-eigenvalue test indicates 1 cointegrating eqn(s) at the 0.05 level |
||||
* denotes rejection of the hypothesis at the
0.05 level |
||||
**MacKinnon-Haug-Michelis (1999) p-values |
|
Source: (Author’s
Computation Extract from eview)
The stands of Engel and Granger as
well as Trace Statistics are further confirmed by Maximum Eigen Value Test
which did not only show evidence of cointegration but also confirmed the
existence of one cointegrating vectors. Since long run relationship has been
established by the foregoing tests, it is now expedient to test for the speed
of adjustment. This is done through the Error Correction Model.
Table 5: Error Correction
Model (dlngni
= c + dlnfdi + ect(-1))
Variable |
Co-efficient |
Std Error |
T-Stat |
Significance |
|
D(LnFDI) |
|
0.76579 |
-0.628664 |
0.0027 |
|
D(lnGNI) |
-0.000060 |
0.76579 |
-0.000020 |
0.0033 |
|
ECT(-1) |
-0.6408 |
1.53158 |
-0.628684 |
0.0060 |
R2
(0.67), Adjusted R2 (0.6353), DW (1.812 approx. 2
Source: Author’s
computation from Eviews
This section presents
the results of the ECM and the estimates of the short-run and long-run
movements, as well as the error correction term. The table shows useful
long-run information. The equilibrium adjustment coefficient (-0.6408) enters
with a correct sign (negative). This suggests that FDI and GNI series converge
to long-run equilibrium; deviations from this equilibrium It can also be
observed that ECT(-1) coefficient tends to one, indicating that the speed of
adjustment to equilibrium is fast. It follows that about 64% of the deviation
from equilibrium path is corrected on a monthly basis.
5.
RESULT AND DISCUSSIONS
The above regression analysis showed
the result of the effect of foreign direct investment on gross national income.
Dependent Variable: GNI |
|
|
||
Method: Least Squares |
|
|
||
Date: 12/17/20 Time: 03:02 |
|
|
||
Sample: 2006 2019 |
|
|
||
Included observations: 14 |
|
|
||
|
|
|
|
|
|
|
|
|
|
Variable |
Coefficient |
Std. Error |
t-Statistic |
Prob. |
|
|
|
|
|
|
|
|
|
|
C |
3.60E+11 |
1.81E+11 |
1.983958 |
0.0786 |
FDI |
9.499788 |
21.41799 |
0.443543 |
0.6678 |
RGDP |
0.209814 |
0.118843 |
1.765470 |
0.1113 |
EXR |
2.02E+08 |
4.96E+08 |
0.407185 |
0.6934 |
UNR |
-7.28E+09 |
5.49E+09 |
-1.325934 |
0.2175 |
|
|
|
|
|
|
|
|
|
|
R-squared |
0.429834 |
Mean dependent var |
3.83E+11 |
|
Adjusted R-squared |
0.176427 |
S.D. dependent var |
9.12E+10 |
|
S.E. of regression |
8.27E+10 |
Akaike info criterion |
53.38842 |
|
Sum squared resid |
6.16E+22 |
Schwarz criterion |
53.61666 |
|
Log likelihood |
-368.7190 |
Hannan-Quinn criter. |
53.36730 |
|
F-statistic |
1.696222 |
Durbin-Watson stat |
0.727281 |
|
Prob(F-statistic) |
0.234154 |
|
|
|
|
|
|
|
|
|
|
|
|
|
Source: Author’s
computation from Eviews
GNI= 3.60 + 9.499FDI + 0.2098RGDP + 2.02EXR – 7.28UNR
From the table foreign direct
investment shows positive effect on gross national income. This is indicated by
the t-value (9.499 with a p-value 0.67 > 0.05). It shows that if the volume
of foreign direct investment inflows increases 1%, gross national income will
increase at 3.60. The R2 which is a show of the goodness of fit of
the model is 42% which means that 42% of variation in GNI was explained by the
regressors and about 58% of the relationship is explained by factors not
captured by the model. The adjusted R2 of about 17% takes account of
a greater number of regressors if included and it still explains 42% variation
in the dependent variable.
The F-statistics of (1.696, Pvalue of F-stat. = 0.234) at a critical value of 0.05
shows that the overall regressors are not significant during the period of
study. This showed an inverse finding with the work of Shaar,
Hussain and Halim (2012) where they examined the relationship between foreign
direct investment and unemployment rate in Malaysia from 1980 to 2010. Gross
domestic product, foreign direct investment and unemployment rate were used as
variables. The result from the ordinary least square indicated a negative
relationship between foreign direct investment and unemployment rate in
Malaysia.
The finding of this study is similar
to the finding of Gnangnon (2018), he found out a
positive impact of FDI inflows on economic development in developing economies.
The lower the extent of economic development, the higher is the extent of the
impact of FDI.
6.
CONCLUSION AND RECOMMENDATIONS
The study analyzed the effect of
foreign direct investment on gross national income over the period of 2006-
2019. The result showed that foreign direct investment had a positive effect on
gross national income during the period 2006 – 2019. It also revealed that
gross domestic product, exchange rate and unemployment rate has a positive
effect on gross national income in Nigeria during the same period.
The
study concluded that existence of a long run relationship and an indication
that 1 cointegrating vectors exist at 5% level of significance among the
variables. Therefore, the regression analysis found that as foreign direct
investment increases, gross national income of the country also increased
within the period of study. In other words, foreign direct investment is
positively related to gross national income. The study recommends that
government should try making zones which are solely based on free economic
movements. The different determinants of GNI attractions should be
investigated.
The
infrastructure, government incentives and policy making should make it
acceptable for general foreign investors to find the country secure to invest.
Finally, unique fiscal and monetary policies should be formed strengthening the
other macroeconomic variables which will help to overcome the situation of
shocks in Nigeria while hosting Foreign Direct Investment inflow for future
sustainable economic development.
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