All articles starting with M
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Marginal propensity to save
The marginal propensity to save (MPS) is the fraction of extra disposable income a household saves rather than spends, always summing with the marginal propensity to consume to one.
Marginal rate of substitution
The marginal rate of substitution is the rate at which a consumer will trade one good for another while keeping the same utility, equal to the indifference curve's slope.
Marginal revenue
Marginal revenue is the additional revenue a firm earns from selling one more unit, calculated as the change in total revenue divided by the change in quantity sold.
Marginal structural model
A marginal structural model is a causal model, introduced by Robins, Hernán, and Brumback in 2000, that estimates the causal effect of time-varying exposures from observational data.
Marginal utility
Marginal utility is the additional satisfaction from consuming one more unit of a good; it typically diminishes as consumption rises, a principle behind the downward-sloping demand curve.
Marginal zone of the spleen
Splenic marginal zone: border region between white and red pulp where SIGNR1/MARCO macrophages and rapid-response marginal zone B cells trap blood-borne pathogens; absent as a distinct compartment in humans, whose loss (asplenia) raises encapsulated-bacteria risk.
Marginalism
Marginalism is the economic approach that explains value, prices, and decisions by the effect of the last small unit added or given up rather than by totals.
Marginifera
Marginifera Waagen, 1884 is an extinct Permian productid brachiopod genus (type species M. typica, family Productellidae) defined by a marginal ridge on the brachial valve, spinose flanks, and a partly buried, ventral-valve-down life habit.
Margit Korondi
Margit Korondi (Korondi Margit), Hungarian gymnast (1932–2022), won 8 Olympic medals at Helsinki 1952 (gold, uneven bars) and Melbourne 1956 (gold, team portable apparatus); defected to the US after 1956.
Margit Schumann
Margit Schumann (1952–2017), East German luger, 1976 Olympic champion and 1972 bronze medalist in women's singles; four-time world champion (1973–75, 1977), three-time European champion, first woman in the FIL Hall of Fame.
Margites
Margites (Μαργίτης) is a lost ancient Greek comic poem about a fool, probably from Ionia in the 7th or 6th century BCE and attributed to Homer.
Margitta Helmbold Gummel
Margitta Helmbold-Gummel (1941-2021), East German shot putter; 1968 Olympic champion and first woman over 19.00 m (19.61 m WR), 1972 silver (20.22 m PB); later GDR doping case.
Margo (actress)
Margo (María Marguerita Guadalupe Teresa Estela Bolado Castilla y O'Donnell, 1917-1985), also Margo Albert, Mexican American dancer and actress of Lost Horizon (1937) and Winterset (1936), blacklisted via Red Channels, later founder of Plaza de la Raza.
Margo Dydek
Margo Dydek (Małgorzata Dydek-Twigg, "Ptyś", "Large Marge"), Polish 7'2" center, first pick of the 1998 WNBA Draft, first Polish woman in the WNBA, all-time WNBA blocks leader with 877; died 2011.
Margo Glantz
Margo Glantz, born Margarita Glantz Shapiro in 1930, is a Mexican writer and literary critic known for Las genealogías and her scholarship on Sor Juana Inés de la Cruz.
Margo Harshman
Margo Harshman (Margo Cathleen Harshman), American actress born 1986 in San Diego; Tawny Dean on Disney's Even Stevens, Alex Jensen on The Big Bang Theory, and recurring Delilah Fielding on NCIS from 2013 to 2025.
Margo K. Brodie
Margo K. Brodie, born Margo Kitsy Brodie, is an American jurist serving as a US district judge for the Eastern District of New York since 2012.
Margo Martin
Margo Martin is an American communications aide, Special Assistant to the President and Communications Advisor ($150,000) in Trump's White House since January 2025. A former first-administration press aide (2019) and Save America PAC deputy communications director, she produces Trump's viral X video content and figured in the Jack Smith documents case.
Margo Martindale
Margo Martindale (born 1951, Jacksonville, Texas) is an American character actress and three-time Emmy winner: 2011 Supporting Actress for Mags Bennett on Justified and 2015–2016 Guest Actress for Claudia on The Americans, also known for BoJack Horseman, Steel Magnolias, and Mrs. America.
Margo Price
Margo Price (Margo Rae Price, born 1983), Illinois-born Nashville Americana and alt-country singer-songwriter; Third Man Records debut Midwest Farmer's Daughter (2016), Farm Aid's first female board member, memoir Maybe We'll Make It.
Margo Rey
Margo Rey, stage name of Margarita Reymundo-Jurado (born 1966, Acapulco), is a Mexico-born, Dallas-raised Latin pop and adult alternative singer-songwriter in Los Angeles; Billboard AC hits "Let the Rain" (No. 17) and albums on her Organica label.
Margo Stilley
Margo Stilley (born 1982) is an American actress and former model, known for her debut in 9 Songs (2004), the most sexually explicit mainstream British film, and for roles in The Trip, How to Lose Friends & Alienate People, and The Royals.
Margo XS
Margo XS (Margo Wildman) is a Los Angeles-based American producer and DJ, distinct from other artists named Margo. Co-producer of Zara Larsson's Grammy-nominated Midnight Sun, executive producer of Kim Petras' Detour, and half of deBasement.
Margo's Got Money Troubles
Margo's Got Money Troubles, also called Margo's Got Money Problems, is a 2026 Apple TV comedy-drama by David E. Kelley, adapted from Rufi Thorpe's 2024 novel, starring Elle Fanning as a single mother who turns to OnlyFans; renewed for season 2.
Margorie Hillas
Margorie Hillas, American discus thrower for Barnard College, New York, set early pre-ratification women's discus marks of 20.72 m (1912) to 27.43 m (1916) with a 1.25 kg discus.
Margot Asquith
Margot Asquith, née Tennant (1864–1945), Countess of Oxford and Asquith, British political hostess, diarist, and author; second wife of Prime Minister H. H. Asquith, known for her candid two-volume autobiography (1920, 1922) and Great War diary.
Margot at the Wedding
Margot at the Wedding is a 2007 American comedy-drama written and directed by Noah Baumbach, starring Nicole Kidman, Jennifer Jason Leigh, and Jack Black; a Paramount Vantage release about estranged sisters clashing before Pauline's wedding.
Margot Bingham
Margot Bingham (born 1987, Pittsburgh) is an American actress and singer-songwriter, aka Margot B., known for Daughter Maitland on Boardwalk Empire, Stephanie on The Walking Dead, Nina Meyer on The Family, and roles in Barbershop: The Next Cut and Lawmen: Bass Reeves.
Margot Bryant
Margot Bryant, born Kathleen Mary Margaret Bryant, was an English stage, television, and film actress best known as the cat-loving Minnie Caldwell in Coronation Street from 1960 to 1976.
Margot Eskens
Margot Eskens (1936–2022) was a German Schlager singer and actress best known for the number-one hit "Cindy, oh Cindy" and for representing Germany at Eurovision 1966.