Foundations and Evolution of Banking

Introduction

Banking is one of the central institutional arrangements of a modern economy. Banks mobilise savings, allocate credit, facilitate payments, manage financial risks, transmit monetary policy, and support investment and economic development. They connect households that temporarily possess surplus funds with firms, governments, and households that require finance. In doing so, they transform the size, maturity, liquidity, and risk characteristics of financial claims.

The word bank is used both narrowly and broadly. In a narrow institutional sense, it refers to a regulated organisation authorised to receive deposits and undertake specified financial activities. In a broader economic sense, banking describes a system of intermediation and payment institutions through which money and credit circulate. The precise legal definition varies across jurisdictions; consequently, comparisons between countries must distinguish economic function from statutory form.

Banking is also a system of public trust. A depositor generally expects to withdraw funds at par and on demand, while a bank invests a substantial portion of those funds in loans and securities that are less liquid and more exposed to credit and market risk. This structural tension explains why banks are regulated more intensively than many ordinary commercial firms.

Learning Objectives

After studying this chapter, the reader should be able to:

• explain the meaning and economic rationale of banking;
• describe the principal functions of banks;
• trace major stages in the historical evolution of banking;
• distinguish central, commercial, cooperative, development, investment, universal, digital, and shadow banking institutions;
• apply essential banking terminology accurately;
• analyse the balance-sheet and public-policy implications of bank intermediation; and
• evaluate contemporary challenges involving technology, regulation, inclusion, ethics, and systemic risk.

The Meaning and Economic Logic of Banking

At its core, banking is the professional management of monetary claims. A bank accepts liabilities—such as deposits or other forms of funding—and acquires assets—such as loans, securities, and reserves. The bank earns income by investing or lending at returns that, over time and after costs and losses, exceed the cost of its funding and operations.

A simplified balance-sheet identity is:

Here, assets are economic resources controlled by the bank; liabilities are obligations owed to depositors, lenders, and other creditors; and equity is the residual claim of owners. The identity must hold at every point in time under double-entry accounting. It is not a profitability equation and does not imply that all assets are equally liquid or safe.

A bank’s distinctive role arises from several transformations:

1. Maturity transformation: short-term or withdrawable liabilities finance longer-term assets such as mortgages and business loans.
2. Liquidity transformation: deposits may be used for immediate payments, whereas loans are often difficult to sell quickly without a discount.
3. Risk transformation: the bank diversifies individual borrowers and monitors them, allowing depositors to hold relatively standardised claims rather than directly bearing each borrower’s risk.
4. Denomination transformation: banks pool many small balances to provide larger loans.
5. Information transformation: banks gather and assess information about borrowers, reducing information asymmetry between savers and users of funds.

These transformations create economic value, but they also create vulnerability. If many depositors demand cash simultaneously, a solvent bank may still face a liquidity crisis because its assets cannot be converted into cash immediately at full value. This is the classic problem of a bank run.

Principal Functions of Banks

Financial intermediation

Banks channel funds from surplus units to deficit units. Households may prefer safe and liquid deposits, while firms require patient finance for working capital, machinery, research, or expansion. Banks reconcile these different preferences through screening, pricing, monitoring, diversification, and contract design.

Intermediation can reduce transaction and information costs. A bank can assess a borrower more efficiently than thousands of individual depositors, and it can monitor the borrower after the loan is granted. The cost advantage derives partly from economies of scale, specialised expertise, and repeated relationships.

Deposit-taking and savings mobilisation

Deposits provide a convenient store of value, a payment instrument, and, depending on the account, a return. Common forms include current or checking deposits, savings deposits, fixed or time deposits, and certificates of deposit. Deposit-taking converts dispersed savings into an organised pool of funds.

Deposits are not simply passive savings. In a modern banking system, many deposits are created when banks extend loans or purchase eligible assets, subject to regulation, capital, liquidity, borrower demand, and settlement constraints. The simplistic idea that banks merely lend out pre-existing deposits is therefore incomplete, although deposits and other funding remain crucial to a bank’s liquidity and funding structure.

Lending and credit creation

Banks provide personal, housing, agricultural, commercial, trade, and infrastructure credit. Credit creation does not mean that banks can create unlimited money. Lending is constrained by creditworthy demand, expected returns, capital requirements, liquidity management, central-bank rules, risk appetite, collateral, supervision, and the willingness of the public to hold deposits.

A loan creates both an asset for the bank and a liability—often a deposit—of the bank. When the loan is repaid, the principal component generally reverses the corresponding deposit creation, while interest supports bank income before expenses and provisions. Loan losses, defaults, and write-offs reduce asset values and may reduce equity.

Payment and settlement services

Banks operate or access payment systems through which customers transfer funds, pay merchants, receive salaries, clear cheques, and settle securities transactions. Payment services require reliable identification, messaging, account records, liquidity, fraud controls, and final settlement arrangements.

A payment system has at least three relevant layers: the customer interface, the clearing process that calculates obligations among institutions, and settlement in central-bank money or another accepted settlement asset. Operational disruption at any layer can create financial and reputational consequences.

Agency and fiduciary services

Banks may act as agents, trustees, custodians, executors, or advisers. They may collect payments, manage portfolios, issue guarantees, administer estates, provide foreign-exchange services, and hold securities in custody. These activities generate fee income and extend the bank’s relationship with clients beyond traditional lending.

Risk management and financial stability

Banks diversify exposures, use collateral and covenants, establish provisions, maintain capital and liquidity buffers, and hedge selected market risks. Their activities can support stability when well governed, but interconnectedness can transmit distress between banks, markets, firms, and households. Consequently, bank risk management has both private and public importance.

Monetary-policy transmission

Central banks influence financial conditions through policy rates, reserve operations, asset purchases or sales, standing facilities, and communication. Commercial banks transmit these changes through deposit rates, lending rates, credit standards, asset prices, and exchange-rate channels. The pass-through is neither instantaneous nor complete; it depends on competition, balance-sheet strength, expectations, and market structure.

Historical Evolution of Banking

Ancient and pre-modern practices

Credit and deposit-like practices existed in ancient Mesopotamia, Greece, Rome, India, China, and the Islamic world. Temples and merchant houses stored valuables, recorded obligations, financed trade, and facilitated payments. These arrangements demonstrate that banking functions predate the modern corporation and are closely linked to commerce, taxation, agriculture, and long-distance trade.

Medieval European banking expanded through merchant networks, bills of exchange, partnerships, and financial centres such as Italian city-states. Religious, legal, and cultural rules influenced permissible forms of lending and shaped the development of instruments for transferring value across locations.

Early modern and national banking

The growth of states and international trade encouraged more formal banks of issue, public banks, and joint-stock institutions. Banks increasingly managed government finance, issued notes, supported commerce, and developed correspondent relationships. Central banking emerged gradually rather than through one uniform event. Institutions such as the Bank of England acquired responsibilities associated with government finance, note issue, reserve management, and lender-of-last-resort support.

The nineteenth century also brought banking crises, speculative booms, and debates over note issuance, convertibility, reserve requirements, and the proper relationship between private banks and the state. These experiences contributed to prudential supervision and deposit-protection arrangements.

Industrialisation and mass banking

Industrialisation increased demand for working capital, infrastructure finance, mortgages, and investment services. Branch networks, cheques, clearinghouses, and professional management enabled banking to reach wider populations. Commercial banks became important providers of short- and medium-term finance, while specialised institutions emerged for agriculture, housing, exports, and industrial development.

The twentieth century saw stronger regulation after financial crises and depressions. Deposit insurance reduced the incentive for small depositors to run, but it also created moral-hazard concerns: insured institutions and depositors may take greater risks if they expect public protection. Effective supervision, capital standards, resolution mechanisms, and accountability are therefore necessary complements to insurance.

Globalisation, deregulation, and financial innovation

From the late twentieth century, banking became more internationally integrated. Interest-rate deregulation, securitisation, derivatives, electronic trading, offshore finance, and conglomeration changed the boundaries between banking and capital markets. Innovations improved efficiency and access to finance but also increased opacity, leverage, interconnectedness, and the speed of contagion.

The global financial crisis of 2007–2009 exposed weaknesses in underwriting, securitisation, liquidity management, incentives, credit ratings, and regulatory coordination. Post-crisis reforms strengthened capital and liquidity requirements, stress testing, recovery and resolution planning, macroprudential oversight, and regulation of systemically important institutions. Implementation and effectiveness vary across jurisdictions.

Digital and platform-based banking

Digital banking has moved account opening, payments, lending, and customer service from branches to mobile applications, internet platforms, APIs, and automated decision systems. Fintech firms and technology companies now compete or partner with banks in payments, credit scoring, remittances, and personal finance management.

Digitalisation can reduce costs and expand access, but it introduces cyber risk, data-protection issues, third-party concentration, algorithmic bias, identity fraud, and operational dependence on telecommunications and cloud infrastructure. Digital form does not eliminate traditional banking risks; it can accelerate them.

Types of Banking Institutions

Central banks

A central bank is the monetary authority of a jurisdiction or monetary union. Its responsibilities commonly include setting or implementing monetary policy, issuing or managing currency, holding official reserves, providing settlement facilities, supervising or supporting financial institutions, and acting as lender of last resort under defined conditions.

A lender of last resort provides temporary liquidity to a solvent but illiquid institution, usually against acceptable collateral and subject to safeguards. It is not intended to rescue insolvent institutions indiscriminately. The distinction between illiquidity and insolvency can be difficult in a crisis because asset values may be uncertain and markets may be impaired.

Central-bank independence is usually designed to reduce short-term political pressure on monetary policy, but independence does not mean absence of accountability. Transparency, statutory mandates, parliamentary or public reporting, and clear emergency powers are important for legitimacy.

Commercial banks

Commercial banks serve households, firms, public bodies, and sometimes other financial institutions. They typically offer deposits, payment accounts, loans, overdrafts, cards, foreign exchange, guarantees, and cash-management services. Their business model depends on net interest income, fee income, asset quality, funding stability, and efficient operations.

Cooperative banks

Cooperative banks are owned or controlled by members who may also be customers. Voting rights may follow cooperative principles rather than the number of shares held. They often serve local communities, agricultural groups, small firms, or occupational associations. Their relationship orientation can improve inclusion and local knowledge, but concentrated regional exposure and governance weaknesses may create vulnerability.

Development banks

Development banks provide finance where private markets may underinvest because projects have long maturities, high social returns, large scale, or uncertain early cash flows. They may finance infrastructure, renewable energy, small enterprises, housing, exports, or industrial transformation. Their success should be assessed not only by financial return but also by additionality: whether the financing produces benefits that would not otherwise have occurred. Political interference, weak project appraisal, and excessive concentration are significant risks.

Investment banks

Investment banks primarily connect issuers and investors in capital markets. Their services include underwriting shares and bonds, mergers and acquisitions advice, securities trading, market making, structured finance, and financial restructuring. Unlike traditional deposit banks, their funding and risk profile often depend more heavily on wholesale markets, market liquidity, and trading positions. Conflicts of interest require robust information barriers, disclosure, suitability controls, and conduct supervision.

Universal banks

A universal bank combines several banking functions within one group, potentially including retail deposits, corporate lending, securities services, investment banking, and insurance-related activities. Diversification may generate economies of scope and provide clients with integrated services. However, the model can create complexity, internal contagion, reputational spillovers, and conflicts between advisory, lending, underwriting, and trading roles.

Digital banks and fintech-enabled banking

A digital bank uses technology as the primary channel for delivering regulated banking services. It may be a licensed bank without a substantial branch network or a conventional bank operating through digital channels. Important capabilities include electronic know-your-customer procedures, real-time payments, automated credit assessment, cloud computing, application programming interfaces, and fraud analytics.

Technology does not change the basic duties of a bank. A digital lender must still assess affordability, protect customer information, maintain records, manage liquidity, explain adverse decisions where required, and ensure operational resilience. Artificial intelligence can assist in fraud detection and credit analysis, but models require validation, monitoring for drift, explainability proportional to risk, and controls against discriminatory outcomes.

Shadow banking and non-bank financial intermediation

Shadow banking, increasingly described in policy literature as non-bank financial intermediation, refers broadly to credit intermediation involving entities or activities outside the traditional deposit-taking banking perimeter. Examples may include finance companies, money-market funds, private credit funds, broker-dealers, securitisation vehicles, and some peer-to-peer lending platforms.

The term does not imply that every non-bank institution is illegal. Such institutions can diversify funding and support innovation. The concern is that they may perform bank-like maturity or liquidity transformation without equivalent access to central-bank liquidity, deposit insurance, or prudential requirements. Regulatory analysis should therefore focus on economic functions and risks rather than labels alone.

Essential Banking Terminology

• Asset: A resource expected to provide future economic benefit, such as a loan or security.
• Liability: An obligation owed by the bank, such as a deposit.
• Equity or capital: The residual claim after liabilities are deducted from assets.
• Deposit: Funds placed with a bank under agreed withdrawal and remuneration conditions.
• Loan: A contractual advance that the borrower must repay, usually with interest or another return.
• Interest rate: The price of using money over a specified period, normally expressed as a percentage per time period.
• Net interest income: Interest income from assets minus interest expense on funding.
• Non-performing loan: A loan whose repayment is materially overdue or otherwise unlikely according to applicable rules.
• Provision or expected-credit-loss allowance: An accounting recognition of anticipated credit losses.
• Liquidity: The ability to meet obligations when due without unacceptable loss.
• Solvency: The condition in which the value of assets is sufficient to cover liabilities.
• Capital adequacy: The sufficiency of loss-absorbing capital relative to the risks undertaken.
• Reserve: Funds or balances held for settlement, liquidity, or regulatory purposes; the precise meaning depends on context.
• Collateral: Property or rights pledged to support repayment of a loan.
• Maturity: The date or remaining period until a financial claim is due.
• Spread: The difference between two interest rates, yields, or prices.
• Leverage: The use of borrowed funds or liabilities to increase exposure relative to equity.
• Securitisation: The pooling of financial assets and issuance of securities supported by their cash flows.
• Moral hazard: Increased risk-taking caused by protection that weakens the consequences of failure.
• Systemic risk: The risk that distress in one institution or market impairs the financial system and wider economy.

Regulation, Governance, and Ethics

Banking regulation pursues several related objectives: safety and soundness, depositor protection, payment-system integrity, consumer protection, competition, financial inclusion, and financial stability. These objectives can conflict. For example, strict underwriting may protect a bank but exclude marginal borrowers; rapid credit expansion may support growth but increase future losses.

Prudential regulation is commonly divided into:

• Microprudential supervision, which focuses on the soundness of individual institutions;
• Macroprudential policy, which addresses system-wide cycles, interconnectedness, leverage, and common exposures; and
• Conduct regulation, which addresses fair treatment, disclosure, suitability, privacy, market integrity, and prevention of abuse.

Important governance controls include an independent and competent board, clear risk appetite, segregation of duties, internal audit, compliance functions, stress testing, reliable data, whistle-blower protection, and remuneration systems that do not reward excessive short-term risk. Anti-money-laundering and counter-terrorist-financing controls require customer due diligence, beneficial-owner identification, transaction monitoring, reporting of suspicious activity, and risk-based controls.

Ethical banking extends beyond legal compliance. A bank may comply formally with disclosure rules while designing products that are confusing, unaffordable, or unsuitable. Professional judgment should therefore consider fairness, accessibility, long-term customer welfare, environmental and social impacts, and the consequences of automated decisions.

Applied Case: Meridian Bank’s Digital Expansion

Background

Meridian Bank, a fictional mid-sized commercial bank, serves salaried households and small businesses through branches. It plans to launch a mobile-only account and an automated small-business loan product to reduce operating costs and compete with fintech firms.

Problem

The proposed system would use transaction histories and alternative data to make rapid credit decisions. Management expects greater inclusion, but the board is concerned about cyberattacks, model bias, third-party cloud dependence, liquidity pressure from instant withdrawals, and weak customer understanding of fees.

Analysis

The project combines traditional banking with digital delivery. Meridian must still manage credit risk, liquidity risk, operational risk, conduct risk, and compliance risk. Alternative data may improve prediction for customers lacking conventional credit histories, but it may also reproduce historical discrimination or rely on data collected without meaningful consent. A high approval rate is not evidence of inclusion if borrowers later experience unaffordable repayments.

The bank should map the entire service chain: customer identification, consent, data ingestion, model decision, human review, contract formation, disbursement, repayment, complaints, and account closure. It should test model performance across demographic and regional groups, establish override and appeal procedures, and monitor outcomes rather than relying only on statistical accuracy.

Approach and solution

The board approves a controlled pilot with the following safeguards:

1. independent validation of the credit model and periodic testing for drift;
2. clear explanations of key decision factors and pricing;
3. affordability assessment and limits on automatic approvals;
4. strong authentication, encryption, access controls, and incident response;
5. contractual resilience requirements for the cloud provider;
6. liquidity stress tests for rapid digital withdrawals;
7. customer education, accessible complaints channels, and human assistance;
8. board-level reporting on inclusion, defaults, fraud, outages, and complaints; and
9. a phased rollout with the power to suspend the product if risk indicators deteriorate.

Outcome

In the first year, account opening becomes faster and service costs decline. However, the bank discovers that one region has unusually high delinquency because the model misinterpreted seasonal income patterns. It revises the model, introduces seasonal cash-flow analysis, and strengthens human review. The case illustrates that digital transformation is a governance project, not merely an information-technology project.

Learning points

Banking innovation should be evaluated through the combined lenses of value, risk, fairness, resilience, and accountability. The legal status of the institution does not remove the need for sound risk management, and predictive accuracy alone is insufficient for responsible credit decisions.

Challenges and Contemporary Developments

Banks currently face pressure from low-cost digital competitors, changing interest rates, cybercrime, climate-related financial risks, geopolitical disruption, and evolving expectations concerning privacy and sustainability. Climate risk can affect borrowers’ repayment capacity, collateral values, insurance availability, and the market value of securities. It therefore enters traditional categories of credit, market, operational, and strategic risk.

Open banking and application programming interfaces can increase competition by allowing customers to share account data with authorised third parties. Their benefits depend on informed consent, secure authentication, liability allocation, interoperable standards, and effective consumer redress. Central-bank digital currencies and instant-payment systems may alter payment competition and the composition of bank deposits, although their effects depend heavily on design and adoption.

Sound banking practice requires balance rather than technological enthusiasm or regulatory complacency. Institutions should maintain adequate capital and liquidity, price risk realistically, diversify funding, invest in operational resilience, treat customers fairly, and maintain credible recovery and resolution plans. Regulators should coordinate across borders and across institutional forms so that risks do not migrate merely because a rule applies to one legal category but not to an economically similar activity.

Chapter Summary

Banking is the organised management of monetary claims and the transformation of funds across time, liquidity, denomination, and risk. Banks accept liabilities and acquire assets within the accounting identity Assets = Liabilities + Equity. Their major functions include financial intermediation, savings mobilisation, lending, payments, agency services, risk management, and monetary-policy transmission.

Banking evolved from ancient credit and deposit practices through merchant finance, national banking, industrial mass banking, globalised capital markets, and digital platforms. Historical crises helped produce central banking, deposit insurance, prudential regulation, macroprudential policy, and formal resolution frameworks.

Central banks differ from commercial banks in mandate and public authority. Cooperative banks are member-oriented; development banks address long-term developmental finance; investment banks serve capital markets; universal banks combine several services; digital banks use technology-led delivery; and shadow-banking entities conduct credit intermediation outside, or partly outside, traditional deposit banking structures.

Banking creates value but also exposes society to liquidity mismatch, credit loss, leverage, moral hazard, operational disruption, and systemic contagion. Effective governance requires sound capital and liquidity management, responsible technology use, consumer protection, anti-money-laundering controls, data governance, and accountability. The central professional lesson is that banking innovation must be matched by disciplined risk management and public trust.

Key Terms

Bank: A regulated institution that provides specified financial and payment services.

Central bank: The monetary authority responsible for monetary and financial-system functions.

Commercial bank: A bank primarily serving households, firms, and public-sector customers.

Financial intermediation: The channeling of funds between surplus and deficit units.

Maturity transformation: Funding longer-term assets with shorter-term liabilities.

Liquidity: The ability to meet obligations when due without unacceptable loss.

Solvency: The ability of assets to cover liabilities.

Capital adequacy: The sufficiency of loss-absorbing capital relative to risk.

Deposit: Funds placed with a bank under contractual withdrawal conditions.

Credit creation: The expansion and contraction of deposit claims associated with bank lending and repayment.

Cooperative bank: A member-owned or member-controlled financial institution.

Development bank: An institution providing finance for developmental or strategic objectives.

Investment bank: A capital-market intermediary providing underwriting, advisory, and related services.

Universal bank: A banking group offering a broad range of retail, corporate, and investment services.

Digital bank: A bank delivering services primarily through digital channels.

Shadow banking: Credit intermediation conducted by non-bank or lightly bank-linked entities.

Moral hazard: Risk-taking encouraged by protection from the consequences of failure.

Systemic risk: The possibility that financial distress spreads through the financial system.

Securitisation: The conversion of pooled financial assets into tradable securities.

Non-performing loan: A loan with materially impaired or overdue repayment performance.

Review Questions

Short Answer Questions

1. What is meant by financial intermediation?
2. Distinguish liquidity from solvency.
3. State the accounting identity for a bank’s balance sheet and explain its components.
4. What is maturity transformation, and why does it create risk?
5. Identify two principal functions of a central bank.

Long Answer Questions

1. Explain the economic rationale for banks and discuss the five transformations performed by banking institutions.
2. Trace the major stages in the historical evolution of banking from ancient credit practices to digital banking.
3. Compare commercial, cooperative, development, and investment banks in terms of purpose, activities, and risks.
4. Discuss the benefits and dangers of universal banking.
5. Explain why banking requires prudential, macroprudential, conduct, and anti-money-laundering regulation.

Analytical / Application Questions

1. A bank funds thirty-year mortgages mainly with deposits withdrawable on demand. Analyse the risks created by this structure and recommend appropriate controls.
2. A fintech lender uses alternative data to approve loans instantly. Design a governance framework addressing model risk, privacy, fairness, cybersecurity, and customer protection.
3. During a crisis, customers withdraw deposits from a solvent bank because they fear failure. Explain how liquidity support, deposit insurance, communication, and resolution planning could address the situation while limiting moral hazard.

Multiple Choice Questions with Answers

Question 1

Which transformation occurs when a bank uses short-term deposits to finance long-term mortgages?

A. Maturity transformation

B. Currency transformation

C. Ownership transformation

D. Tax transformation

Correct Answer: A. Maturity transformation

Question 2

In the identity Assets = Liabilities + Equity, equity represents:

A. The bank’s total cash receipts

B. The residual claim after liabilities are deducted from assets

C. Only the bank’s customer deposits

D. The value of loans that have defaulted

Correct Answer: B. The residual claim after liabilities are deducted from assets

Question 3

Which institution is primarily responsible for monetary policy and lender-of-last-resort functions?

A. Investment bank

B. Cooperative bank

C. Central bank

D. Development bank

Correct Answer: C. Central bank

Question 4

Which activity is most characteristic of an investment bank?

A. Issuing household savings accounts as its only service

B. Underwriting securities and advising on mergers

C. Setting the policy interest rate

D. Providing deposit insurance to the public

Correct Answer: B. Underwriting securities and advising on mergers

Question 5

Why can a solvent bank nevertheless experience a liquidity crisis?

A. Its liabilities are always smaller than its assets

B. Its assets may not be convertible into cash immediately at full value

C. It has no contractual obligations

D. Its equity automatically disappears when withdrawals rise

Correct Answer: B. Its assets may not be convertible into cash immediately at full value

Question 6

A development bank is generally established to:

A. Provide only overnight payment settlement

B. Finance projects with developmental or strategic objectives

C. Replace the central bank’s monetary-policy committee

D. Eliminate all credit risk from the economy

Correct Answer: B. Finance projects with developmental or strategic objectives

Question 7

Which statement best describes shadow banking?

A. All illegal banking activity

B. Credit intermediation involving entities or activities outside traditional deposit banking

C. The confidential department of a central bank

D. A system in which banks hold no liabilities

Correct Answer: B. Credit intermediation involving entities or activities outside traditional deposit banking

Question 8

Which control most directly addresses the risk that an automated lending model discriminates against a group of applicants?

A. Model validation across relevant customer groups

B. Increasing the bank’s branch rent

C. Removing all repayment information

D. Reducing the number of payment channels

Correct Answer: A. Model validation across relevant customer groups

Question 9

What is moral hazard in banking?

A. A reduction in risk caused by stronger supervision

B. Risk-taking encouraged because protection weakens the consequences of failure

C. A bank’s inability to calculate interest

D. A borrower’s legal ownership of collateral

Correct Answer: B. Risk-taking encouraged because protection weakens the consequences of failure

Question 10

Which statement best distinguishes solvency from liquidity?

A. Solvency concerns asset coverage of liabilities; liquidity concerns timely payment ability

B. Solvency concerns payment speed; liquidity concerns ownership rights

C. They are identical terms in all banking contexts

D. Liquidity applies only to central banks

Correct Answer: A. Solvency concerns asset coverage of liabilities; liquidity concerns timely payment ability