A debt instrument where the borrower is obligated to pay back the principal amount along with an additional sum representing the cost of borrowing. This additional sum, calculated as a percentage of the principal, is the compensation the lender receives for providing the funds. For instance, if an individual borrows $10,000 with a 5% annual rate, they are responsible for repaying the initial $10,000 plus $500 in additional charges each year.
This type of financial arrangement is a cornerstone of modern economies, facilitating investment and growth by allowing individuals and businesses to access capital. It enables significant purchases, such as homes or equipment, that might otherwise be unattainable. Historically, these lending arrangements have evolved from simple agreements between individuals to complex financial products offered by institutions, playing a vital role in economic development and wealth creation.