Municipal Bonds vs. Money Market Funds

Municipal Bonds vs. Money Market Funds

3 Min.

Governments issue debt through bonds to raise funds for various projects and expenses. Municipal bonds issued by state or local governments carry a higher degree of risk. However, they can also be income-tax-exempt, which makes them appealing to some investors. Money market funds are mutual funds that invest in low-risk, short-term debt, such as government and highly-rated corporate bonds. Municipal bonds may be included within the portfolio.


Investors are drawn to government bonds due to their reliable and low-risk nature. In financial options, municipal bonds, often referred to as "munis," and money market funds diverge primarily. Municipal bonds represent singular bond offerings from local or state governmental entities, whereas money market funds are specialized mutual funds committed to short-term, secure debt investments. Money market funds encompass a range of assets, including municipal bonds, commercial paper, repossession agreements, certificates of deposit, and federal government-issued Treasuries.

Municipal Bonds: Financing Government Projects

Municipal bonds are a form of government debt issued by state or local authorities to fund essential projects. Investors who purchase municipal bonds effectively lend money to the municipality with the promise of repayment plus interest. The funds raised from these bonds support various projects, with compensation sourced from project-generated revenue (e.g., toll road income) or taxation of residents.

The income generated from municipal bonds typically carries tax-exempt status at federal, state, and local levels, making them an appealing option for investors aiming to reduce their tax liabilities. Consequently, these bonds often yield lower returns when compared to taxable equivalents. Additionally, the reliance on taxation and limited ability to issue Treasuries makes municipal bonds riskier than federal government bonds. Historical instances of municipal bond defaults by local governments and states underscore this risk.

Money Market Funds: Stability and Tax Efficiency

Money market funds represent fixed-income mutual funds focused on high-quality, short-term debt securities with minimal credit risk. These funds rank among the least volatile investment options. The tax treatment of income from a money market fund depends on the specific securities it holds.

Some money market funds primarily invest in municipal bonds, forming municipal money market funds. These funds combine the tax advantages of municipal bonds with the stability, liquidity, and diversification characteristics of money market funds. These attributes make them a preferred choice for high-income investors seeking tax-efficient shelter for their investments.

Risks in Municipal Bonds and Money Market Funds

Municipal Bonds

Interest Rate Risk: Short-term yield increases may lead to a reduced bond value when compared to newer, higher-yielding bonds in the market, affecting the bond's price if sold. However, interest payments remain unaffected.

Inflation Risk: Municipal bond returns may not keep pace with rising inflation, potentially resulting in reduced purchasing power over time. Earning less interest than the inflation rate is possible, though uncommon. Default, though rare, poses a risk to investors.

Money Market Funds

Money market funds are among the safest investment options, with minimal risk of loss and consistent interest payments. However, their safety is accompanied by lower interest rates, reflecting the trade-off between risk and reward.


When seeking income investments, both municipal bonds and money market funds offer interest payments. It's important to note that while bonds can experience value fluctuations, money market funds typically maintain stability. Furthermore, the tax-free nature of municipal bonds means you may earn more than the stated interest rate, factoring in your tax savings as part of the bond's overall value.

Municipal Bond
Money Market Fund
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