Market transparency refers to how much information about products, prices, services, and terms of sale is readily available and understandable to consumers within the marketplace. Market transparency promotes marketplace trust and confidence by reducing the information imbalance between buyers and sellers.

A credit card used only to pay for medical services.

This term describes how easy it is to buy and sell assets in a market at stable prices.

The law makes mail fraud a federal crime, giving everyday Americans their first real protection against swindlers who used the mail to sell fake medicines, run pyramid schemes, and conduct lottery scams. It grants federal authorities the power to investigate and prosecute scammers who use the postal service to deceive consumers.

The Supreme Court gives states the power to regulate businesses serving public needs (e.g., grain warehouses, railroads, and utilities). This ruling lays the groundwork for modern consumer protection laws by supporting the government's role in protecting consumers from unfair practices when private businesses affect the public interest.