Influence of
Bank Credits on the Nigerian Economy
Idachaba
Odekina Innocent
Department of Banking and Finance
Ahmadu Bello University, Zaria, Kaduna State,
Nigeria
Email: [email protected]
Tel: +234 18633840
Olukotun G.
Ademola
Department of Banking and Finance
Kogi State University, Anyigba, Kogi State, Nigeria
Email: [email protected]����� ��
Tel: +234 8062995674
Elam Wunako
Glory
Department of Banking and Finance
Ahmadu Bello University, Zaria, Kaduna State,
Nigeria
Email: [email protected]
Tel: +234 7066480216
Abstract
The
aim of this study is to examine the influence of bank credits on the Nigerian
economy using time series data covering the period from 1980 to 2017.Gross domestic product was
used as proxy for the economy while
credits to the private sector, public sector and prime lending rate were used
as proxies of Banks credits. Unit root test was used to test stationary which
reveals that all the variables were stationary at first difference. The
regression analysis result shows that credit to the private sector have
positive effect on Nigerian economy while credit to public sector and prime
lending rate have negative effect on the Nigerian economy. The result of
co-integration test presented reveals that there exist among the variables
co-integration which means long-run analysis. It is recommended that, policy
makers should focus attention on long-run policies to promote economic growth
such as development of modern banking sector, efficient financial market,
infrastructures.
��������������������������������������
Keywords:� Financial institutions, Bank credits,
Economic Growth, Economic Development , Resources
1. Introduction
Globally
banks in developing countries are expected to play vital and effective roles in
financing their economic projects and activities as their contributions in
ensuring sustainable economic growth and development. As financial
institutions, banks perform intermediation roles by allowing funds to be
channeled from people who might not put them to productive use to people who
will definitely do so within an economy. The intermediary roles of bank can
foster economic growth through rising of savings, improving efficiency of
loan-able funds and promoting capital accumulation. The importance of bank
credit in developing economy has been acknowledge in Schumpeter (1934) who
argue that banking sector facilitate technological innovation through their
intermediary role. He emphasized on the efficient allocation of savings through
identification and funding of entrepreneur as well as implementation of
innovative production processes that are the main tools in order to achieve
real economic performance. In the same vein, Shaw (1967) and McKinnon (1973)
also agreed the fact that financial development facilitates economic growth by
increasing savings, efficient allocation and investment of financial resources.
These studies further explained that development of financial markets is an
essential condition for rapid economic growth. The level of development and
sophistication of a country's financial sectors could be relied on as one of
the valuable indicators of economic growth.
Sustaining economic development has been
the paramount objective of all successive government in the country since
Nigeria independence in 1960. This led to the implementation of several
national development plans and programmes aimed at boosting productivity and
diversifying the economic base. The agenda necessitates the intervention of
financial sectors especially banking industry by providing financial resources
for large scale production of industries and provision of other credit
facilities within the economy. The role of financial intermediation in
sustaining economic development cannot be over-emphasized; the development of
this sector determines how it can effectively and efficiently discharge its
major role of mobilizing fund from the surplus unit to the deficit unit within
the economy.
According to Adekunle, Salami and
Adedipe (2013), a well-developed financial system plays several roles to boost
efficiency of intermediation through reduction of information, transaction and
monitoring costs. It will also enhance investment by identifying and funding
good business opportunities, mobilizes savings, encourage trading, hedging and
diversification of risk as well as facilitating exchange of goods and services.
All these resulted in more efficient allocation of resources, accumulation of
physical and human capital and faster technological progress, which in turn
leads to economic growth.
The attempt to strengthen the private
sector (manufacturing sector inclusive) by the government led to the
implementation of financial liberalisation policy in 1986 as part of the
Structural Adjustment Programme (SAP). The Structural Adjustment Programme (SAP)
was an economic reform programme aimed at restructuring the economy and
averting economic collapse. The key objectives of SAP are to lay the basis for
sustaining non-inflationary or minimal inflationary growth and improve the
efficiency of the public and private sectors. Therefore, the financial
liberalization (reform) policy entails the provision of an appropriate legal
and regulatory framework for effective private participation in the economy.
The
country also adopted a medium-term strategy, called the National Economic
Empowerment and Development Strategy (NEEDS) in 2004, as a response to the
numerous challenges facing the nation. Recently, the government approved vision
20-2020 for transforming the country into a modern economy, among the 20
leading countries in the world by 2020 (The Times of Nigeria 2008). The
objective of the vision 20-2020 is in line with various studies and projections
by Goldman Sachs that Nigeria will be the 20th and 12th largest economy of the
World by 2025 and 2050 respectively ahead of Italy, Canada, Korea, among
others(Skyscraper City 2006), and Africa biggest economy by 2050 (Business
Economy, 2008). The vision 2020 is to be realized through the growth of the
private sector.
However, as Solanke (2007) argued, the
state of the private sector, its characteristics, disposition and resilience
would determine in substantial respects how far the lofty objectives of
repositioning Nigeria�s economy can be achieved. Accordingly, the Nigeria
government has also adopted the public private partnership (PPP) strategy. PPP
schemes are designed to lead to dramatic improvement in quality, availability
and cost-effectiveness of services. These include Service Contracts; Management
Contracts; Leases; Build, Operate and Transfer; and Concessions. As a
compliment to the various programmes of the government to accelerate the rate
of growth of the economy, it has been suggested that the level of dependence on
the oil sector should be reduced, while concentration should be on the
manufacturing, energy, transport and agriculture (Hale, 2002). This means that
efficient allocation of funds to the real sector have high tendency of
improving the economy.
In
the mid-80s, the direct control of credit allocation and regulated interest
rate structure was used to channel banks credit to the real sectors of the
economy by that arrangement, banks were statutorily required to allocate most
of the loan-able funds to the key sectors like agriculture, manufacturing, sold
minerals, housing at low rate of interest which would result in high
investments and outputs and invariably growth of the domestic economy, however,
the weakness that characterized the policy in September 1986 to eliminate
inefficiency and enhance effective mobilization and utilization of resources
which ultimately would translate to a sound and stable banking system. Hence,
the Central Bank of Nigeria has made concerted effort via several banks reforms
especially from the wake of last decade through effective surveillance and
prudential guidelines, a more stringent procedure for licensing and increase in
the capitalization base among others to ensure a sound and stable banking
system capable of providing effective intermediation that would stimulate
growth, encourage medium and long-term lending to the real sectors capable of
diversifying the productive base of the economy (Iwedi & Igbanibo 2015). It
would be recalled that the banking crisis in Nigeria in the 1990s was
associated with sharp increases in interest rate, large currency depreciation
and devaluation and lasting decline in the supply of credit. It is worth
knowing that access to bank credit allows firms to increase production, output
and efficiency and in turn increases the profitability of banks through
interest earned and improves economic growth (Adeniyi 2015).
Abubakar
and Gani, (2013) also agreed that the real sector in Nigeria still face
difficulty in the accessibility of financial resources especially from the
commercial banks that hold about 90% of the total financial sector assets and
high rate of interest rate causing many firms to avoid bank-borrowing. Other
formidable financing challenges include concentration of bank credit to the oil
and gas, communication and general commerce sectors to the disadvantage of the
core real sectors such as agriculture and manufacturing sectors. Also, banks
are more disposed to financing government financial need as almost 50% of their
assets are tied up by government debt.
Basically,
the Nigerian commercial banks dominate the financial sector and account for a
large proportion (above 90%) of transactions within the system. This is
measured as percentage of total assets of the commercial banks to other
financial institutions within the system. The above clearly shows that the
deposit money banks dominate the Nigerian banking scene. It therefore becomes
very important to study the effectiveness of these banks on the Nigerian
economy. There has been a renewed interest globally into the study of credit
and its ability to generate growth and the position of this country makes it
somehow important to see the contribution of the financial sector to the spate
of growth within the economy. This study shall examine the influence of bank
credit on the Nigeria economy using credit to private sector, credit to public
sector and prime lending rate as the�
independent variables while real gross domestic products as dependent
variables.
Series
of empirical studies has been conducted on the subject matter from both
developed and developing countries for example; (Akpansung, 2011; Murty,
Sailaja & Dismissie, 2012; Muhsin & Eric, 2000; Mishra, Das &
Pradhan 2009; Aliero, Abdullahi & Adamu, 2013; Hassan, Sanchez & Yu,
2011; Eatzaz & Malik, 2009; Debray, 2003; Aurangzeb, 2012; Ekpenyong &
Ikechukwo, 2011;). However, some studies found positive relationship between
commercial bank credit and the economy (Ahmed, 2008; Akpansung and Babalola
2011; Aurangzeb, 2012;) among others, while others found a negative
relationship between commercial bank credit and economy (Nuno, 2012; Debray,
2003; Ekpenyong & Ikechukwo, 2011; Hassan et al. (2011), Levine (1997) and
Levine, Loayza & Beck, 2000). However, the divergence in previous findings
may be attributed to differences in methodologies, economic factors and time
frame among others. In the same way, the study by Mushin and Eric (2000) showed
that the effect runs from economic growth to financial development and not
otherwise.
Atseye,
Edim and Ezeaku (2015) highlight that despite the fact that credit influences
the economy there still remains a gap in understanding the causal relationship
between commercial bank credit and its impact in developing economies. The
influence of such types of credit on economic growth has received little
attention from researchers. Admitting the existence of such gap, Tuuli (2002)
states that of course there have been a few empirical findings on the
determinants of growth in developing economies, but the relationship between
bank credit and the economy has however been neglected. For this reason, the
need to fill this gap necessitated this empirical study on the Nigerian case.
This
study will be able to answer the following empirical questions; does bank credit
to the private sector affect the Nigerian economy? Does bank credit to the
public sector affect the Nigerian economy? Does prime lending rate of bank
credit influence the Nigerian economy?
The
study sought to achieve the following specific objectives: to determine how
bank credits to the private sector affects the Nigerian economy, to determine
how bank credits to the public sector affects the Nigerian economy and to
establish the extent to which prime lending rate of commercial bank credits
affect the Nigerian economy.
The
outline of the study is as follows: section one discussed the introduction of
the paper, section two discussed the literature review, section three outlines
the methodology, section four presents the data analysis and discussion of
results and lastly, section five recommendations and conclusion
2. Literature Review
2.1
Concept of Economic Growth
According
to Dewett (2005) as cited in Nwanyanwu (2010), economic growth is an increase
in the net national product in a given period of time.� He explained that economic growth is
generally referred to as a quantitative change in economic variables, normally
persisting over successive periods.� He
added that determinants of economic growth are availability of natural
resources, the rate of capital formation, capital-output ratio, technological
progress, dynamic entrepreneurship and other factors.
2.2
Concept of Bank Credits
CBN
briefs (2003) define bank credits as the amount of loans and advances given by
the banking sector to the various economic agents. CBN Monetary policy circular
(2010) identifies such bank credit facilities to include loans, advances,
commercial papers, bankers� acceptance, bill discounted with a bank credit
risk. Bank credit is often accomplished with some collateral that helps to
ensure the repayment of the loan in the event of default. Credit channels
savings into productive investment thereby encouraging economic growth.
According to Nzotta (2004), it is generally accepted that bank credits
influence positively the level of economic activities in any country; it
influences what is to be produced, who produces it and quantity to be produced.
Bank
credit affects and alters the level of money supply in an economy or country.
It is the most important source of bank income and it promotes the activities
of banks and non-bank financial institution and this influences the level of
growth of production, the level of entrepreneurship and the realization of aggregate
economic performance, development and growth. It could thus be said with
absolute assurance that banking industry credit is of crucial importance both
to the bank, the monetary authorities, business community and the economy in
general.
Credit
to private sector, credit to public sector and prime lending are used as
independent variables for this study for the following reasons; One of the
indications or signs (but not the only one), of economic development and
prosperity is the development and increasing share (role) of private and public
sector in the national economy or GDP of a certain country. Referring to data
from the world Bank, an economic measure of so called domestic
credit to private sector ( % to GDP ) means that financial resources
like loans and non equity securities are provided to the private sector by
financial institutions like banks and other financial corporation�s all
measured as percentages with respect to GDP ( or national size of economy) .
The higher this measure is, the higher financial resources or financing is to
private sector in a country and so the greater opportunity and space for the
private sector to develop and grow. The better the private sector gets and
bigger role it has in national economy, the better is generally the health and
development of the economy of this country. More so, public sector credit are
needed to stimulate economic growth in spite of the deficiencies shown overtime
in the public sector credit, private sector credit has been a good predictor of
economic growth
2.3
Empirical Literature review
Most
scholars have agreed that there is relationship between bank credit and
economic growth. However, scholars have differed on the direction of causality
between bank credit and economic growth (Oluitan, 2009). In order to examine
the relationships that exist between bank credit and economic growth, previous
studies have used several analytical approaches.
Modebe,
Ugwuegbe and Ugwuoke (2014) investigated the impact of bank credit on the
growth of Nigerian economy for the period of 1986-2012; the result of the OLS
regression showed that there is a negative and significant relationship between
GDP and TBCPS in the long run. M2 which was used as control variable has a
positive and significant impact on GDP at the long run. The short run dynamics
of the variables indicates that TBCPS also have a negative and insignificant
impact on GDP at the short-run. The result of the granger causality test reviles
that causation runs from GDP to TBCPS and not the other way round, a case of
unidirectional causality. The result also showed bidirectional causality
between TBCPS and M2. Evaluating the relationship between financial development
and economic growth (Eatzaz & Malik, 2009) found that bank credits to the
private sector significantly increase the productivity of workers (output per
worker) and as such, facilitates long-run economic growth with respect to
Nigeria. In the same way, study by (Aliero, Abdullahi & Adamu, 2013) over
the period 1974-2010 examined the impact of bank credit on economic growth. The
result from Autoregressive distributed lag bound approach showed that private
sector had significant positive effect on economic growth in Nigeria. Kiran,
Yavus and Guris (2009) apply ratios of bank credits to the GDP and private
sector credit to the GDP and find a positive and statistically significant
relationship between bank credits and economic growth. Murty, Sailaya and
Demissie (2012) by using multivariate Johansen co integration approach examined
the long run impact of the bank credit on economic growth of Ethiopia. The
study found a significant long-run relationship between bank credits and
economic growth in Ethiopia. Nuno (2012) applies a dynamic panel data
(GMM-System Estimator) technique to evaluate the nexus between bank credits and
economic growth in the European Union. The study found that savings promotes
growth while inflation and bank credits negatively impacts on economic growth. Akpansung
and Babalola (2011) found significant long-run relationship between private
sector bank credits and economic growth in Nigeria. The causality runs from GDP
to private sector bank credits and also from industrial production to GDP,
lending rate are found to impede economic growth. Hassan, Sanchez and Yu (2011)
assert that rapid bank credit expansion negatively impacts on economic growth.
The studies argue that rapid and uncontrolled expansion in bank credits has the
tendency to discourage domestic savings and investments. Mulhsin and Eric
(2000) carried out a study on Turkish economy; it was found that bank deposits,
private sector credit or domestic credit ratios are alternatively used as
proxies for financial development; causality runs from economic growth to
financial development. Their conclusion was that growth seems to lead financial
sector development. Shittu (2012) adopted unit root test, co-integration and
error correction model to examine the impact of financial intermediation on
economic growth in Nigeria, the study conclude that credit through deposit is a
determinant of economic growth in Nigeria. This is in agreement with the study
of Yakubu and Affoi (2014) which conclude that commercial banks credit impacts
positively and significantly on the economic growth of Nigeria. Ogege and
Boloupremo (2014) employ ADF, Johansen co-integration and ECM, the study
concludes that only credit allocated to production sector is having a
significant positive effect on growth.�
Akpansung & Babalola (2009), examined the impact of bank credit on
the growth of Nigerian economy for the period of 1970-2008, using two-stage
least square and granger causality test, the result indicates that bank credit
has a negative impact on the growth of Nigerian economy with causation running
from GDP to bank credit. Marshal, Igbanibo and Onuegbu (2015) did study in
Nigeria and found strong positive correlation between banks credit and GDP and
concluded that there is unidirectional relationship running from GDP to banking
sector credit. Orji, A. (2012) investigated the determinants of bank savings in
Nigeria as well as examined the impact of bank savings and bank credits on
Nigeria�s economic growth from 1970- 2006. The empirical results showed a
positive relationship exists between the lagged values of total private
savings, private sector credit, public sector credit, interest rate spread,
exchange rates and economic growth.
2.4
Theoretical Framework
Few
theories on credit have been propounded by scholars but for the purpose of this
study, the Quantitative Easing theory propounded by Richard Andreas Werner was
used to explain banking system credit. Richard Andreas Werner is a monetary and
development economist, he proposed the term Quantitative Easing as well as the
expression �QE2� referring to the need to implement true quantitative easing as
an expansion in credit creation. He has developed a theory of money creation
called the quantity theory of credit which is in line with Schumpeter�s credit
of money. Werner has argued since 1992 that the banking sector needs to be
reflected appropriately in the macroeconomic models since it is the main
creator and allocator of the money supply, through the purpose of credit
creation by individual banks.
3. Methodology
The
aim of the research is to examine the effect of bank credits (such as credit to
private sector, credit to public sector and prime lending rate) on the Nigerian
economy (proxied by GDP) using annual data covering the period from 1980 to
2017.
3.1
Research Design
This
study employed correlational research design. The choice of this research
design is due to the time series nature of the data collected from the period
1980-2017, this types of research design studies the relationship between the
dependent variable and independent variables.
3.2
Study Data
Study
of this nature demands the use of time series secondary data, relating to each
of the study�s variables � gross domestic product, credits to private sector,
credits to public sector and prime lending rate, spanning a period of 37 years
(1980-2017). All data regarding the variables were obtained from the Central
Bank of Nigeria (CBN) statistical bulletin and National Bureau of Statistics of
various years under study
3.3Empirical
model
The
regression technique is an important tool in econometrics. In general, a
regression is concerned with examining the linkages between a given variable
and one or more other variables. It is an attempt to describe changes in a
variable. It is an attempt to describe changes in variables by reference to
changes in other variables. The regression model is stated as
R=
∞ +B1X1+ B2X2+-----------BxXx �+ɛ
�����������. (1)
This
regression model can be interpreted whether a set of bank credits factors has a
linkage with economic growth, where R is economic growth proxies by GDP and X�s
represents the bank credit variables used in this study. ∞ is the
intercept of the regression that is, constant term, B1-Bx are the coefficient
of variables, and ɛ is the error term.The model was modified as follows;
Log
GDP = ∞ +B1 Log CPS + B2 Log CPR + B3 Log PLR + ɛ ������������ (2)
These
variables were so chosen because they are majorly the key sectors that could
spur economic development. As such, their positive contribution should lead to
increase in Gross Domestic Product (GDP).
Table
1: Operational definition of the variables and prior expectation
VARIABLES |
MEASUREMENT |
SOURCE |
EXPECTATION |
GDP |
Real
GDP at constant price |
CBN
statistical bulletin |
NIL |
CPS |
Credits
to private sector by banks |
CBN
statistical bulletin |
Positive |
CPR |
Credits
to public sector by banks |
CBN
statistical bulletin |
Positive |
PLR |
Prime
Lending Rate |
CBN
statistical bulletin |
Negative |
Source: Researchers� Compilation, 2018
4. Presentation and Discussion of
Results
Table
2: Summary result of Stationarity Test
Variables |
1st Difference
(P-value) |
Null Hypothesis |
Integration Order |
Log GDP |
0.0000 |
Rejected |
1(1) |
Log CPS |
0.0009 |
Rejected |
1(1) |
Log CPR |
0.0000 |
Rejected |
1(1) |
Log PLR |
0.0000 |
Rejected |
1(1) |
Source: computation of result summary from E-view 10
student edition output.
From
the result, all the study variables are stationary after differencing once
(P-values less than 5% significant level), this indicates that the variables
are all integrated of order 1(1), a necessary and compulsory pre-condition for
the use of VECM, at the first difference where the variables are stationary.
4.1
Optimal Lag Selection
In
the adoption of econometrics approach such as co-integration test and VECM
estimation, the choice of optimal Lag is non-negotiable for a reliable result.
Optimal Lag selection can be done with the aid of several criteria individually
or combined such as Final Prediction Error (FPE), Akaike Information Criterion
(AIC), Schwarz Information Criterion (SIC). The AIC is adopted by this study
because according to (Sarah, 2008), it yields better results. According to AIC
selection Criterion, the lower the test statistics, the better the model, this
study therefore selecting optimum lag of 2.
4.2
Co-integration Test
This
is an important analysis that helps to test for a long-run stable relationship
among the variables of interest in a study, when a linear combination of
variables that is of order 1(1) produces a stationary series than the variables
may need to be co-integrated (Olokoyo, 2011).
Table
3: Trace Statistics and Max-Eigen Co-integration Test
Unrestricted
Co-integrated Rank Test (Trace)��������������������������������������������������������������������������������������������������������������
Hypothesized No. CE(s) |
Eigen Value |
Trace Statistics |
0.05 Critical Value |
Prob. |
Max-Eigen Statistics |
0.05 Critical Value |
Prob. |
None* |
0.926858 |
117.7923 |
47.85613 |
0.0000 |
86.30680 |
27.58434 |
0.0000 |
At most
1* |
0.505747 |
31.48553 |
29.79707 |
0.0317 |
23.25536 |
21.13162 |
0.0248 |
At most
2 |
0.148484 |
8.230172 |
15.49471 |
0.4411 |
5.304336 |
14.26460 |
0.7030 |
At most
3 |
0.084845 |
2.925836 |
3.841466 |
0.0872 |
2.925836 |
3.841466 |
0.0872 |
Trace
test indicates two cointegrating equations at the 0.05 level������������ |
|
|
|
Source: Output from Eview 10 Student Edition
From
Table 3 above, both trace and max-eigen criteria agree on the existence of a
number of co-integrating equations, which is another necessary pre-condition
for the estimation of VECM. The trace and max Eigen value suggested 2
co-integrating equations at the 5% significant level. These results imply that
the variables of the study in the long run move together.
4.3
Vector Error Correction Model Estimates
With the variables confirmed to be
integrated of order 1(1), optimal lag 2 selection made and results of
co-integration recommending two co-integrating equation, the estimation of the
VECM, using the ordinary least square method to establish the influence of bank
credit on the Nigerian economy. The results of the VECM are summarized in Table
4.
Table 4: Vector Error Correction
Estimates
Variables |
Coefficient |
Standard Error |
t-statistics |
Log C |
0.215603 |
0.08551 |
2.52150 |
Log CPS |
0.037639 |
0.27170 |
0.13853 |
Log CPR |
-0.141843 |
0.24555 |
-0.57765 |
Log PLR |
-15467.28 |
106279 |
-0.14553 |
R-square��������������� 0.769828
Adj.
R-square������ 0.665204
F-statistics������������ 7.358058
ECM
(-1)�������������� -10.454
Source: Output from Eview 10 Student Edition
������������
From the regression results in the Table
4 above, the adjusted R2 is 0.665204. This shows that independent
variables (Log CPS, Log CPR and Log PLR) specified in the model explained only
about 66.52% of the variations in the dependent variables (Log GDP) over the
observed years while the remaining 33.48% are explained by all other factors
that are not included in our model estimates.
The ECT (error correction term) or the
speed of adjustment towards long run equilibrium with the value given as
104.54, the implication of this is that whenever there are deviations on the
Nigerian economy (measured by GDP) from an equilibrium path, the model corrects
itself at the rate of 104.54% annually. Long run causality from the three
explanatory variables (CPS, CPR, and PLR) to the criterion variable (GDP) is
deemed to have arisen where the ECT is both significant and the sign preceding
it is negative. The result in table 4 indicates that ECT is negative, in other
words there is a long run causality running from the bank credits to the
Nigerian economy.
The
coefficient of credit to private sector (Log CPS) is 0.037639. This shows
credit to private sector has positive influence on Nigerian economy measured by
Log GDP. The result reveals that credit to private sector has significant
influence on the economy given the value of t-statistic (0.13853< 1.96) at
two tails. The finding further shows that a unit percent increase in credit to
private sector will bring about 3.7639% increase in GDP holding all other
factors constant. This finding is in line with the work of (Aliero, Abdullahi
& Adamu, 2013) (Orji, 2012).�
The
coefficient of credit to public sector (Log CPR) is -0.141843. This shows
public sector credit has negative influence on Nigerian economy measured by Log
GDP. It also revealed that credit to public sector has insignificant influence
on the Nigerian economy, given the value of t-statistic (-0.57765<1.96) at
two tails. The finding further shows that a unit percent increase in credit to
public sector will bring about 14.1843% decrease in GDP holding all other
factors constant. This finding is in line with the work of (Ibrahim, Akano
& Kazeem, 2015).
The
coefficient of prime lending rate (Log PLR) -15467.28 shows that prime lending
rate has influence of about 15467.28% on the Nigerian economy measured by GDP
during the observed years. This implies that a unit percent increase in prime
lending rate will bring about 1546% decreases in the economy measured by GDP. This
finding is in line with the work of (Akpansung & Babalola, 2011). The
result further shows that tabulated t-statistic (-0.14553<1.96) less than
calculated value at 5% level of significance.
Table
5: �Summary of Diagnostic test
Test |
P-value |
Centered VIF |
VIF |
|
2.85,
2.94, 1.21 |
Jarque-Bera |
0.29 |
|
Source: Output from Eview 10 Student Edition
The
variance inflation factor was performed to support the validity of the
regression results. Since the values 2.85, 2.94 and 1.21 are less than 5, it
was therefore concluded that there were no multicollinearity among the
variables of the model.
Jarque-Bera
test was used to check for the normality of the data. The result shows that the
study data are normally distributed given the p-value greater than 5%
significance level.
5. Recommendations and Conclusion
Credit
is an important link in monetary transmission as it finances production,
consumption and capital formation, which in turn affect economic growth.
Especially in developing countries like Nigeria, it caters resources need for
economic growth. The Central Bank of Nigeria and the government have adopted
many links and programs to increase economic growth through the use of bank
credit. However, the relationships between private sector credit, public sector
credit, prime lending rate and economic growth have not yet been assessed
properly in the Nigeria context.
Applying
regression approach, the study found that the bank credit to private sector
have positive influence on Nigeria economy while public sector credit and prime
lending rate have negative influence on Nigeria economy and also exhibit two
cointegration relationship i.e. long run relationship among the variables under
study. The empirical results imply that, policy makers should focus attention
on long-run policies to promote economic growth such as development of modern
banking sector, efficient financial market, infrastructures so as to increase
private sector credit and public sector credit which are instrumental to
promote growth in the long-run.
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