Money, Financial Markets, and Institutions: An Introduction

Studying money is crucial for understanding how financial markets (bond, stock, foreign exchange), financial institutions (banks, investment firms, insurance companies), and money itself operate within the economy. Financial markets facilitate the transfer of funds from surplus to deficit entities, while financial institutions act as intermediaries. The bond market deals with debt securities and interest rates, which represent the cost of borrowing. The stock market involves common stock, representing ownership and claims on corporate earnings. Financial innovation, the development of new financial products, can increase efficiency. Financial crises are severe disruptions marked by asset price declines and business failures. Money plays a significant role in business cycles, with recessions and expansions impacting everyone. Monetary theory links changes in money supply to aggregate economic activity and price levels.

Monetary policy involves managing the money supply and interest rates, conducted by central banks like the Federal Reserve (U.S.), European Central Bank (Euro Area), and National Bank of Romania. Fiscal policy, conversely, concerns government spending and taxation, with budget deficits occurring when expenditures exceed revenues, and surpluses when revenues exceed expenditures. Deficits must be financed through borrowing. The foreign exchange market determines currency exchange rates, impacting international trade and finance. The international financial system's integration profoundly influences domestic economies, raising questions about exchange rate policies, capital controls, and the role of international financial institutions like the IMF.

Financial markets efficiently channel funds from savers to those needing funds, an essential function that promotes economic efficiency by aiding capital allocation and production. Direct finance occurs when borrowers obtain funds directly from lenders by selling securities. The structure of financial markets includes debt and equity markets (distinguished by maturity and ownership claims, respectively), and primary and secondary markets (primary for new security issuance, secondary for trading existing securities). Investment banks underwrite securities in primary markets, while brokers and dealers operate in secondary markets. Markets can be organized as exchanges (e.g., NYSE) or Over-the-Counter (OTC) markets (e.g., foreign exchange). Money markets handle short-term debt instruments, while capital markets deal with longer-term debt and equity.

Financial intermediaries facilitate indirect finance by reducing transaction costs through economies of scale and providing liquidity services. They also reduce investor risk through risk sharing (asset transformation) and diversification. A key role of intermediaries is to address asymmetric information problems: adverse selection (identifying risky borrowers before a transaction) and moral hazard (ensuring borrowers act responsibly after receiving funds). They achieve this by gathering information and imposing restrictive covenants. Ultimately, intermediaries allow smaller savers and borrowers to access financial markets. The financial system is regulated to increase information for investors, reduce adverse selection and moral hazard, and ensure the soundness of intermediaries through mechanisms like restrictions on entry, disclosure requirements, asset restrictions, deposit insurance, and historical limits on competition.

Money, or the money supply, is broadly defined as anything generally accepted in payment for goods, services, or debt repayment. It is distinct from 'wealth' (total assets) and 'income' (flow of earnings). Money serves three primary functions: as a medium of exchange, eliminating the need for a 'double coincidence of wants' and promoting specialization; as a unit of account, simplifying value measurement; and as a store of value, allowing purchasing power to be saved over time. For money to function effectively as a medium of exchange, it must be easily standardized, widely accepted, divisible, portable, and durable. While money is the most liquid asset, its value can erode during inflation.

Payment systems have evolved from commodity money (e.g., precious metals, cigarettes) to fiat money (government-decreed paper money). Further advancements include checks, electronic payments (online bill pay), and e-money, such as debit cards, stored-value cards, and e-cash. Despite predictions of a cashless society, physical cash persists due to various factors, though e-money's use is expected to grow. Measuring money involves constructing monetary aggregates based on liquidity. Key measures include M1 and M2, which represent different levels of liquidity within the economy. The choice of monetary aggregate is crucial for policymakers because M1 and M2 can move in different directions, influencing economic analysis and policy decisions.