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Researchjournali’s Journal of Finance
Vol. 4 | No. 3 April | 2016 ISSN 2348-0963 1
www.researchjournali.com
John MacCarthy
PhD Candidate, Lecturer, Zenith University College,
Ghana
The Effect Of Cash
Reserve Ratio (CRR)
On The Financial
Performance Of
Commercial Banks And
Their Engagement In
CSR In Ghana
Researchjournali’s Journal of Finance
Vol. 4 | No. 3 April | 2016 ISSN 2348-0963 2
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ABSTRACT
It is perceived that reserve requirements promote the financial performance of commercial banks and their
engagement in corporate social responsibility. However, not all empirical studies support this perception. This
study therefore examines the effect of cash reserve ratio on the financial performance of banks and their level
of engagement in corporate social responsibility. Data on banks’ cash reserve ratios from Bank of Ghana and
data on corporate social responsibility engagement and return on investment from the 2013 annual reports of
20 commercial banks in Ghana are used. It is found that cash reserve ratio positively relates to the financial
performance of commercial banks, but it negatively relates to banks’ level of engagement in corporate social
responsibility. Also, cash reserve ratio significantly and strongly predicts financial performance of
commercial banks in terms of return on investment. It is recommended that banks enhance their engagement
in corporate social responsibility activities that improve bank-customer relationship and customer patronage.
Keywords: Reserve requirement, cash reserve ratio, return on investment, financial performance, corporate
social responsibility, Central Bank
1. INTRODUCTION
In most economies of the world, the Central Bank has the basic role of regulating banking activities and using
monitory policy to ensure a vibrant stable economy (Hoggson, 1926; Gorton & Winton, 2002). The Central
Bank serves as a moderator of activities of banking through its regulations (Investopedia, 2014). It sets up
regulatory standards for banks’ entry in the industry, as well as the management of banks (Gorton & Winton,
2002). This is to ensure that the economic interests of banks, their customers and the economy at large are not
jeopardised by banking activities and customer behaviour (Peydr´o, 2010). The Central Bank’s banking
regulation is premised on two ideas: to insure banks against bank-runs and therefore against the risk of
systemic failure (Hoggson, 1926; Gray, 2011), and to protect liability and capital providers (depositors and
shareholders) from corporate governance problems resulting from the inability of depositors and shareholders
to monitor banks (Gray, 2011). The Central Bank’s regulatory role is critical for the survival of banks because
asset transformation activities, which include liquidity and maturity transformations, expose banks to several
risks, including bank runs and banking panics (Francis & Osborne, 2009).
Embedded in the framework of Central Bank’s regulatory policies is the reserve capital requirement. Capital
requirements determine the capital level maintained by banks in proportion to their assets (King, 2010). The
reserve requirement, also called cash reserve ratio, is a central bank regulation employed by most, but not all,
of the world's Central Banks (Jablecki, n.d.). It sets the minimum fraction of customer deposits and notes that
each commercial bank must hold as reserves rather than lend out (Peydr´o, 2010; Gray, 2011). These required
reserves are normally in the form of cash stored physically in a bank vault (vault cash) or deposits made with
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Vol. 4 | No. 3 April | 2016 ISSN 2348-0963 3
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a central bank. The required reserve ratio is sometimes used as a tool in monetary policy that affects the
country's borrowing and interest rates by changing the amount of funds available for banks to make loans
with (Ronitaille, 2011).
Recognizing the important role of the banking sector in the payment system and the various impacts of
banking crises on the economy, regulators impose mandatory capital requirements that may differ from
market generated optimal capital structure. From the viewpoint of Central Banking, the reserve requirement
secures banks, their customers, shareholders and the economy at large (Glocker & Towbin, 2012). In essence,
the reserve requirement provides security of all stakeholders and associated parties in the lifeline of a bank.
Nonetheless, not all researches have justified that the reserve requirement does not lay negative effects on the
operational activities, liquidity and financial performance of banks (Gray, 2011; Ma et al. 2011).
Whiles some researches have revealed that reserve requirements impact banks’ financial performance (Gray
2011; Jablecki, n.d., King, 2010), some have confirmed that reserve requirements are the basis of the poor
financial performances of some banks in the world (Ma, Xiandong & Xi, 2011); Nacuer & Kandil, n.d.).
Based on some empirical studies, Ma et al. (2011) argue that reserve requirement, in many situations,
minimises banks’ level of engagement in corporate social responsibility. Moreover, the reserve requirement is
likely to prevent employment or call for the withdrawal of existing employees (King, 2010; Nacuer & Kandil,
n.d.). The negative influence of reserve requirement on banks’ financial performance, engagement in CSR
and employment are often driven by liquidity problems faced by banks in the face of cash reserves (Gray,
2011; Ma et al. 2011).
Though it forms the basis for the existence of commercial banks, not much is known about the effect of the
reserve requirement on the financial performance of commercial banks and their contribution to economic
development through corporate social responsibility (CSR) engagement. In view of this situation, it is argued
that the level of research needed to identify the credibility of the reserve requirement of the Central Bank is
grossly lacked (Derina, 2011; Glocker & Towbin, 2012). This situation is worse from a Ghanaian perspective
(Antwi-Asare & Addison, 2000). Thus researches that delve into the impact of Bank of Ghana’s reserve
requirement on the performance of banks and their contribution to economic development through CSR
engagement are few. This is a major problem because opinions about the relevance of the reserve requirement
and its suitability for Ghana’s banking sector are always conflicting from the standpoint of commercial banks,
the public, researchers and the Central Bank (Antwi-Asare, 2000; Robitaille, 2011). Moreover, though it is
perceived by commercial banks and some part of the public that the reserve requirement comes with much
more of challenges and disadvantages to commercial banks, not all research studies justify it. It is therefore
believed that increased number of researches on the subject can bring to light the relevance of reserve
requirement and its impact on banks’ performance and economic development through CSR engagement.
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2. RESEARCH OBJECTIVE
The objective of this study is to investigate the effect of cash reserve ratio on the financial performance of
commercial banks in Ghana and their level of engagement in corporate social responsibility. This paper seeks
to contribute to the public’s scant knowledge about the relevance of Bank of Ghana’s reserve requirement.
The specific objectives of this study include:
To identify the basic role of reserve requirement of the Bank of Ghana; and
To assess the effect of the reserve capital requirement on financial performance in terms of return on
investment (ROI) and engagement in corporate social responsibility (CSR).
3. LITERATURE REVIEW
The existence of many banking sectors is driven by the reserve requirement of the Central Bank (Peydr´o,
2010; Robitaille, 2011). Invariably, the Central Bank’s reserve requirement is a primary security measure that
serves as a warranty for the existence of commercial banks. Research has shown that most of the world’s
banking sectors are regulated in the light of the reserve requirement (Santos, 2000). Reserve requirements of
the Central Bank are important for avoiding bank runs (Bianchi & Bigio, 2013; Bouwman, 2013; Calomiris,
Heider & Hoerova, 2012; Robitaille, 2011); thus it plays a role of preventing the bankruptcy of commercial
banks through a regulation of customer behaviour and the provision of access to the discount window of
interbank lending and borrowing (Glocker & Towbin, 2012; Bech & Keiser, 2012). The reserve requirement
characteristically affects the liquidity of banks. This happens in two dimensions, namely from the
perspectives of bank customers or depositors and commercial banks ((Glocker & Towbin, 2012). Liquidity to
customers or depositors is basically needed to avoid bank runs caused by a situation where banks use too
much of deposits to finance their operational activities (Bindseil, Manzanares &Weller, 2004). Reserve
requirement provides systems for making customers’ deposits accessible to them, while ensuring that banks
make substantial funds for their operational activities through the discount window. Through the reserve
requirement, the Central Bank is able to implement its monitory policies towards a stable economy (Gray,
2011; Bianchi & Bigio, 2013; Bouwman, 2013; Calomiris, Heider & Hoerova, 2012; Robitaille, 2011). From
the perspective of Central Banking, the reserve requirement secures banks, their customers, shareholders and
the economy at large (Glocker & Towbin, 2012).
Surprisingly, there is no clear-cut position of researchers about the effect of research requirements on banks’
financial performance and their contribution to economic growth through corporate social responsibility. On
the one hand, some researches have shown that reserve requirements impact banks’ financial performance in
terms of return on investment (ROI) (Gray 2011; Jablecki, n.d., King, 2010). On the other hand, a section of
empirical studies have shown that reserve requirements negatively influence banks’ financial performance
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and engagement in corporate social responsibility (Ma, Xiandong & Xi, 2011); Nacuer & Kandil, n.d.). Based
on some empirical studies, Ma et al. (2011) argue that reserve requirement, in many situations, minimises
banks’ level of engagement in corporate social responsibility. Moreover, the reserve requirement could
prevent employment or call for the withdrawal of existing employees as a result of ready access to funds to
reward employees (King, 2010; Nacuer & Kandil, n.d.). The negative influence of reserve requirement on
banks’ financial performance, engagement in CSR and employment are often driven by liquidity problems
faced by banks in the face of cash reserves (Gray, 2011; Ma et al. 2011).
4. HYPOTHESES
Based on the above theoretical and empirical literature, the study seeks to test the following hypotheses:
H0: There is no relationship between cash reserve ratio (CRR) of commercial banks and their financial
performance in terms of return on investment (ROI).
H1: There is a significant relationship between cash reserve ratio (CRR) of commercial banks and their
financial performance in terms of return on investment (ROI).
H02: There is no relationship between cash reserve ratio (CRR) of commercial banks and their level of
enjoyment in corporate social responsibility (CSR).
H12: There is a significant relationship between cash reserve ratio (CRR) of commercial banks and their
level of enjoyment in corporate social responsibility (CSR).
H03: Cash reserve ratio (CRR) of commercial banks does not significantly predict financial performance
in terms of return on investment (ROI).
H13: Cash reserve ratio (CRR) of commercial banks significantly predicts financial performance in
terms of return on investment (ROI).
5. METHODOLOGY
This paper adopts a mixed research technique that comprises of quantitative and qualitative research
approaches. The quantitative research approach provides a platform for testing hypotheses, deriving reliability
for this study and ensuring rigor in using randomisation methods in generalising findings over the commercial
banking sector of Ghana. In terms of the qualitative research technique, content analysis is used to identify the
role and relevance of reserve requirements. Content analysis is a method of analysing written, verbal or visual
communication messages (Elo & Kyngas, 2008; Kondracki et al. 2002). This study focuses on an examination
of related academic papers and policy documents on reserve requirement of the Bank of Ghana.
To make room for generalising findings in this study, the simple random sampling method is used to select 20
commercial banks that constitute about 71% of commercial banks in Ghana. In the sampling process, it is
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assumed that the population of commercial banks in Ghana is homogeneous, or all banks in Ghana are under
the influence of the same regulatory policies and environment. Secondary data are used in this paper. These
data involve cash reserve ratios, CSR and ROI of each of the 28 commercial banks in Ghana. These data are
accessed from the banks and double-checked for accuracy from the Bank of Ghana and the 2013 annual
reports of the participating commercial banks.
Data are analysed quantitatively using SPSS. The first and second research hypotheses are tested using
Pearson’s Product Moment Correlation. The second hypothesis is tested using ordinary least squares (OLS)
regression. These data analysis tools and approach are chosen based on the assumption that data on ROI, cash
reserve ratio (CRR) and CSR take the characteristic features of a normal distribution. Hence, the Shapiro-
Wilk’s test is used to verify the normality of data.
6. RESULTS
In this section, findings of this study are presented. Results of hypotheses testing are presented first, followed
by results found through content analysis. A basic assumption made in hypotheses testing is that the
continuous data on CRR, CSR and ROI are normally and approximately normally distributed. This
assumption ought to be satisfied to ensure that valid conclusions are made in this study. The Shapiro-Wilk’s
test is used to identify if this assumption is satisfied. Table 1 tests for this assumption, whereas Tables 2 to 5
are associated with hypotheses testing.
Table 1: Shapiro-Wilk’s Tests of Normality
Shapiro-Wilk
Statistic df Sig.
Cash Reserve Ratio .881 20 .088
Corporate Social Responsibility .923 20 .115
Return on Investment .914 20 .076
Table 1 shows the Shapiro-Wilk’s test of normality. It tests the null hypothesis that data associated with CRR,
CSR and ROI are normally or approximately normally distributed. This test is done at 5% significance level.
From the table, this test is insignificant for CRR (p = .088), CSR (p = .115) and ROI (p = .076). As a result,
there is a higher likelihood that data on these three variables are normally or approximately normally
distributed. The normality assumption made in this study is satisfied. There is a higher tendency that whatever
conclusions would be made in quantitative data analysis or hypotheses testing are valid.
Table 2: Correlations
Cash Reserve
Ratio
Return on
Investment
Corporate Social
Responsibility
Cash Reserve Ratio Pearson Correlation 1 .951** -.920**
Sig. (2-tailed) .000 .000
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N 20 20 20
Return on Investment
Pearson Correlation .951** 1 -.916**
Sig. (2-tailed) .000 .000
N 20 20 20
Corporate Social
Responsibility
Pearson Correlation -.920** -.916** 1
Sig. (2-tailed) .000 .000
N 20 20 20
**. Correlation is significant at the 0.05 level (2-tailed).
Table 2 shows Pearson’s correlations between CRR and ROI and CRR and CSR. Statistics in this table are the
outcomes for testing the first and second research hypotheses of this study. The first hypothesis is that
commercial banks’ cash reserve ratios do not have any significant relationship to bank growth in terms of
return on investment. The second hypothesis is that commercial banks’ cash reserve ratios do not have any
significant relationship to level of corporate social responsibility engagement. These hypotheses are tested at
5% significance level. From the table, the first hypothesis test is significant, r (20) = .951, p = .000, likewise
the second hypothesis, r (20) = -.916, p = .000. The two null hypotheses are therefore not accepted. It can be
said that banks’ cash reserve ratio positively relates to return on investment. This means that the reserve
requirement of the Central Bank promotes the financial growth or performance of banks. On the contrary, the
reserve requirement negatively relates to the level of engagement in CSR. Thus, the reserve requirement
minimizes the level of banks’ engagement in CSR. Based on outcome of the first hypothesis, it is highly
likely that CRR predicts ROI. Tables 3 to 5 confirms this assertion using ordinary least squares (OLS)
regression.
Table 3: Model Summary
Model R R Square
Adjusted R
Square
Std. Error of the
Estimate
1 .951a .905 .900 18939.30290
a. Predictors: (Constant), Cash Reserve Ratio
Table 3 is the model summary of the prediction of ROI by CRR. In the table, CRR account for about 90.5%
of variance on ROI. This statistic indicates that financial performance of banks is strongly predicted by banks’
cash reserve ratios. This confirms the strong positive relationship between cash reserve ratio and return on
investment in Table 2.
Table 4: ANOVAb
Model Sum of Squares df Mean Square F Sig.
1 Regression 6.159E10 1 6.159E10 171.699 .000a
Residual 6.457E9 18 3.587E8
Total 6.804E10 19
a. Predictors: (Constant), Cash Reserve Ratio
b. Dependent Variable: Return on Investment
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Table 4 is an associated ANOVA test of the prediction of banks’ financial performance in terms of ROI by
CRR. From this table, CRR significantly linearly predicts ROI at 5% significance level, F (1, 18) = 171.699, p
= .000. Since this prediction is based on a positive relationship between ROI and CRR, increased CRR
enhances banks’ financial performance in terms of ROI.
Table 5: Coefficientsa
Model
Unstandardized Coefficients
Standardized
Coefficients
t Sig. B Std. Error Beta
1 (Constant) 92611.572 10535.325 8.791 .000
Cash Reserve Ratio 254847.134 19448.929 .951 13.103 .000
a. Dependent Variable: Return on Investment
Table 5 comes with the coefficients of the prediction of banks’ financial performance in terms of ROI by
CRR. The t-test in the table is significant at 5% significance level, t (20) = 13.103, p = .000. This implies that
CRR is a significant predictor of banks’ financial performance in terms of return on investment. In all, the
reserve requirement of the Central Bank predicts or impacts banks’ financial in terms of return on investment.
However, it significantly minimises banks’ engagement in CSR.
6.1 THE ROLE OF RESERVE REQUIREMENT
Result of this study’s content analysis indicates that reserve requirement of the Central Bank has the role of
promoting the growth of commercial banks and avoiding their collapse. In this vein, it is argued that reserve
capital requirement is the basic means of avoiding bank runs (Bianchi & Bigio, 2013; Bouwman, 2013;
Calomiris, Heider & Hoerova, 2012; Robitaille, 2011). At a larger extent, reserve requirements are primary
purposed for safety of banks, their customers and the regulating of the national economy through monetary
policy (Glocker & Towbin, 2012; Bech & Keiser, 2012). In essence, reserve requirements safeguard market
participation, productivity and growth expectations of all commercial banks by using the reserve requirement
to ensure that their total bankruptcy is avoided.
Reserve requirement secures customer deposits and serves as a motivation for service quality in the
commercial banking industry (Bouwman, 2013). Liquidity to customers or depositors is basically needed to
avoid bank runs caused by a situation where banks use deposits to finance their operational activities
(Bindseil, Manzanares &Weller, 2004). Furthermore, reserve requirements provide systems for making
customers’ deposits accessible to them, while ensuring that banks make substantial funds for their operational
activities through the discount window. This opinion is supported by the argument of Jablecki (n.d.) and Gray
(2011). The guiding principle is that banks would not develop an oversight to deplete customers’ deposits in
their financial activities. Measures are embedded in the framework of policies that constitute the reserve
capital requirement to encourage and promote balanced interbank borrowing (Peydr´o, 2010), which
strengthens banks’ liquidity. Though interbank borrowing comes with some level of adversity and financial
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consequences (Ma, Xiandong & Xi, 2011), it serves as a better option to depending on customers’ deposit, a
situation that has a high tendency for bank runs (Bianchi & Bigio, 2013; Bouwman, 2013; Calomiris, Heider
& Hoerova, 2012; Robitaille, 2011).
However, reserve requirements limit banks’ potential to contribute to socio-economic development through
tax payment, employment and engagement in corporate social responsibility (CSR). The argument is that
banks could be able to effectively use reserves as financial tools, leading to business growth. Business growth
facilitates employment, enlarged level of tax payment and engagement in corporate social responsibility.
According to (Bianchi & Bigio, 2013), the introduction of the reserve requirement based on the mere
assumption that a bank could overuse customers’ savings or/and lend excessively could discourage
engagement in CSR. This is because reserve capitals do not originally exist with interest against banks
(Bouwman, 2013; Calomiris, Heider & Hoerova, 2012), but most financial tools used to buttress banks’
liquidity such as interbank lending and borrowing, as well as discount window come with higher risks and
financial demerits (Bianchi & Bigio, 2013; Bouwman, 2013; Calomiris, Heider & Hoerova, 2012). This
argument touches on the drawbacks associated with reserve capital.
Reserve requirements are perceived and considered by banks as a source of limitation to their operational and
financial activities and growth. A review of researches by Bianchi & Bigio (2013) and Robitaille (2011)
indicates that opposing views are held about this; thus whether reserve requirements come to hinder banks’
growth and output. In this study, it is made evident that reserve requirements may limit banks’ operational
and financial activities at a time, but their role as measures to safeguard the banking sector and the economy
is relatively weightier in importance than the growth and financial interests of individual banks. The paradox
is that reserve requirements are instituted to promote the success of banks and their bankruptcy (Bianchi &
Bigio, 2013; Bouwman, 2013; Calomiris, Heider & Hoerova, 2012; Robitaille, 2011).
7. DISCUSSION
This investigation is aimed at examining the effect of reserve requirements on the financial performance of
banks and their contribution to economic development through CSR engagement. This investigation is driven
by the fact that no obvious and indisputable position has been taken by researchers on the subject. Broadly,
there are two bodies of researches that explain the effect of the reserve requirement on banks financial
performance and their engagement in CSR. While one body of researches uphold the impact of reserve
requirement on financial performance of banks and their contribution to economic development through CSR
engagement, the other body of researches refute this. This study therefore builds to evidences available on the
subject.
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Three hypotheses are tested in this study. The first hypothesis states that commercial banks’ cash reserve ratio
(CRR) does not have any significant relationship to bank growth in terms of return on investment (ROI). The
second hypothesis states that commercial banks’ cash reserve ratio (CRR) does not have any significant
relationship to level of corporate social responsibility (CSR) engagement. These hypotheses are tested at 5%
significance level. The first hypothesis test is significant, r (20) = .951, p = .000, likewise the second
hypothesis, r (20) = -.916, p = .000. In the case of the first research hypothesis, banks’ cash reserve ratio
positively relates to return on investment. This means that the reserve requirement of the Central Bank
promotes the financial growth or performance of banks. The realisation of this result is supportive to the body
of researches that project that reserve capital requirement impacts the financial performance of commercial
banks (Gray 2011; Jablecki, n.d., King, 2010). Regarding the second research hypothesis, the reserve
requirement negatively relates to the level of engagement in CSR. Thus, the reserve requirement minimizes
the level of banks’ engagement in CSR. This outcome supports the empirical findings of Ma et al. (2011);
Nacuer & Kandil, (n.d.).
The third research hypothesis states that cash reserve ratio do not significantly predict the financial
performance in terms of return on investment. In line with this hypothesis, it is found that CRR account for
about 90.5% of variance on ROI. This statistic indicates that financial performance of banks is strongly
predicted by banks’ cash reserve ratio. This confirms the strong positive relationship between cash reserve
ratio and return on investment. Moreover, the t-test associated with the test of the third hypothesis is
significant at 5% significance level, t (20) = 13.103, p = .000. This implies that CRR is a significant predictor
of banks’ financial performance in terms of return on investment. There is therefore ample evidence that cash
reserve ratio (CRR) doe not only positively relate to banks’ financial performance in terms of ROI but also
significantly predicts it. This buttresses the predictive value of CRR on business performance found in
previous studies (Gray, 2011; Nacuer & Kandil, n.d.).
8. CONCLUSIONS AND RECOMMENDATIONS
Based on findings of this study, cash reserve ratio (CRR) highly positively relates to return on investment
(ROI) among commercial banks in Ghana. Also, CRR negatively relates to level of engagement in corporate
social responsibility (CSR). Return on investment also negatively relates to level of engagement in corporate
social responsibility. As a result, it can be concluded that the reserve requirement of Ghana promotes or
impacts the financial performance of commercial banks in terms of return on investment. However, it limits
the level of engagement in corporate social responsibility by commercial banks in the country.
It is recommended that banks enhance their level of engagement in corporate social responsibility activities
that improve customer-bank relationship. This is a result of the fact that participating in this category of
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corporate social responsibility activities is likely to improve financial performance among banks in the face of
Bank of Ghana’s reserve requirement. It is also suggested that future studies examine the extent to which
findings of related studies would differ in terms of such factors as bank size and sector of operation. The
influence of these factors should also be controlled for.
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