Civil Rights
Movements, leaders, victories and the continuing fight for equality.
Explore the people, places, events, achievements, struggles and stories that shaped our journey.
Movements, leaders, victories and the continuing fight for equality.
Innovation, patents, science, technology and world-changing contributions.
Pioneers, champions, Negro Leagues, records, activism and excellence.
Meet the people whose lives, choices and achievements shaped the journey.
Black towns, communities, institutions and places where history happened.
Moments that changed communities, movements, institutions and the nation.
In August 1908, a white mob attacked Springfield, Illinois’s Black community, destroying homes and businesses and lynching two Black men. National outrage over the violence helped spur the movement that created the NAACP the following year.
MORE →Reflects the personal views, recollections, and perspective of the author, Mike Davis.
This is a personal recollection on the Move fire on May 13, 1985
Sam Peltzman is professor emeritus at the Booth School of Business, University of Chicago. He is an editor of The Journal of Law and Economics and was editor of the Journal of Political Economy from 1974 till 1989. Peltzman's research has focused on issues related to the interface between the public sector and the private economy. His published work includes numerous articles in academic journals.
He earned his Ph.D. in economics from the University of Chicago in 1965 and his B.B.A. from City College of New York in 1960.
He received the Quantrell Award.[1]
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Sam Peltzman is professor emeritus at the Booth School of Business, University of Chicago. He is an editor of The Journal of Law and Economics and was editor of the Journal of Political Economy from 1974 till 1989. Peltzman's research has focused on issues related to the interface between the public sector and the private economy. His published work includes numerous articles in academic journals. He earned his Ph.D. in economics from the University of Chicago in 1965 and his B.B.A. from City College of New York in 1960. He received the Quantrell Award.
Peltzman is a surname. Notable people with the surname include: Adam Peltzman, American television writer and producer Sam Peltzman (born 1940), American economist
In the social sciences, unintended consequences (sometimes unanticipated consequences or unforeseen consequences, more colloquially called knock-on effects) are outcomes of a purposeful action that are not intended or foreseen. The term was popularized in the 20th century by the American sociologist Robert K. Merton. Unintended consequences can be grouped into three types: Unexpected benefit: an unexpected benefit (also known as serendipity). Unexpected drawback: an unexpected detrimental effect, occurring in addition to the desired one. For example, while irrigation schemes may provide farmers with water for agriculture, they may also lead to a rise in the prevalence of waterborne diseases such as schistosomiasis. Perverse result: an effect contrary to what was originally intended. For example, while irrigation schemes intended to increase yields may improve water availability and increase agricultural yields in the short term, they might also lead to soil salination and the depletion of freshwater resources, decreasing yields in the long term.
Risk compensation is a theory which suggests that people typically adjust their behavior in response to perceived levels of risk, becoming more careful where they sense greater risk and less careful if they feel more protected. This effect is usually small in comparison to the fundamental benefits of safety interventions, but it can reduce the overall benefits or even result in increased risks. For example, it has been observed that motorists drove closer to the vehicle in front when their vehicles were fitted with anti-lock brakes. There is also evidence that the risk compensation phenomenon could explain the failure of condom distribution programs to reverse HIV prevalence and that condoms may foster disinhibition, with people engaging in risky sex both with and without condoms. By contrast, shared space is an urban street design method which consciously aims to increase the level of perceived risk and uncertainty, with the intention of slowing traffic and reducing the number and seriousness of injuries.
Before the 1921 destruction of Tulsa’s Greenwood District, Black residents had created a remarkable center of business and community life. The district included stores, professional offices, entertainment venues and homes owned by Black citizens. Understanding Greenwood means learning what was built—not only what was burned.
MORE →Mae Jemison, aboard Space Shuttle Endeavour in 1992.