television news shows to blacklist her, citing her unreliability. The White House "counseled" her after she promoted the Ivanka Trump clothing brand.

She had remained sidelined recently, without any public appearances before the media for eight days. But she spoke Thursday at CPAC, a conservative convention in Alexandria, Virginia, where the president spoke Friday.Government Failures and Public Choice Analysis

Supplementary resources by topic. Government Failures and Public Choice Analysis is one of 51 key economics concepts identified by the National Council on Economic Education (NCEE) for high school classes.

Definitions and Basics

The law of unintended consequences, often cited but rarely defined, is that actions of people—and especially of government—always have effects that are unanticipated or "unintended." Economists and other social scientists have heeded its power for centuries; for just as long, politicians and popular opinion have largely ignored it....

Most often, however, the law of unintended consequences illuminates the perverse unanticipated effects of legislation and regulation. In 1692 John Locke, the English philosopher and a forerunner of modern economists, urged the defeat of a parliamentary bill designed to cut the maximum permissible rate of