Policies like Medicaid and mental health parity laws can determine what kind of care people can afford, and therefore what kind of care they get.

The success of the new cannabis markets are not necessarily determined by just potency or price of the product for sale, but the structure and regulations of each individual market.

Plastic bags create a negative externality that can be reduced with taxes or fees, command-and-control standards, and nudges.

Environmental regulations in Mexico and Florida sought to reduce sulfur dioxide emissions from sugar mills and limit smoke pollution from manual harvesting, but resulted in unintended consequences.

Minimum wage laws were expanded in the mid-1960s, reducing race wage gaps. Inequalities remain, particularly in service industries, and the federal minimum wage has not increased since 2009.