Lorenz curve - 2025 ACF Winter

Question

Since this curve’s x-axis is the percentile of a population, this economic curve has been adapted to measure risks of disease and distribution of health resources. For 10 points each:

[10m] Name this curve. A coefficient named for an Italian is derived from the ratio of the areas this curve creates between the x-axis and a 45-degree “line of equality.”

ANSWER: Lorenz curve

[10e] The Lorenz curve and Gini coefficient can represent the inequality in this economic quantity. Programs providing a minimum amount of this quantity unconditionally are called “universal basic.”

ANSWER: income [accept universal basic income; accept income inequality]

[10h] Lakner and Milanović plotted income percentile against change in income on this curve nicknamed for an animal. This curve shows that between 1988 and 2008, income growth in the global elite dramatically outpaced rich countries’ middle classes.

ANSWER: elephant curve

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Summary


Northern California	Main	Y	4	15.00	100%	25%	25%
Southern California	Main	Y	1	10.00	100%	0%	0%
Eastern Canada	Main	Y	5	14.00	100%	20%	20%
Florida	Main	Y	1	10.00	100%	0%	0%
Great Lakes	Main	Y	3	13.33	100%	33%	0%
Lower Mid-Atlantic	Main	Y	7	12.86	100%	14%	14%
Upper Mid-Atlantic (1)	Main	Y	3	20.00	100%	33%	67%
Upper Mid-Atlantic (2)	Main	Y	1	10.00	100%	0%	0%
Lower Midwest	Main	Y	2	10.00	100%	0%	0%
Upper Midwest	Main	Y	7	11.43	86%	0%	29%
North	Main	Y	2	15.00	100%	0%	50%
Northeast	Main	Y	4	12.50	100%	25%	0%
Northwest	Main	Y	2	10.00	100%	0%	0%
South Central	Main	Y	5	12.00	100%	0%	20%
Upstate NY	Main	Y	1	30.00	100%	100%	100%
Northern California	Main	N	5	20.00	100%	40%	60%
Southern California	Main	N	6	23.33	100%	50%	83%
Eastern Canada	Main	N	13	14.62	100%	31%	15%
Florida	Main	N	6	15.00	100%	17%	33%
Great Lakes	Main	N	7	12.86	100%	14%	14%
Lower Mid-Atlantic	Main	N	10	13.00	100%	10%	20%
Upper Mid-Atlantic (1)	Main	N	11	14.55	100%	9%	36%
Upper Mid-Atlantic (2)	Main	N	5	12.00	100%	20%	0%
Lower Midwest	Main	N	4	20.00	100%	50%	50%
Upper Midwest	Main	N	12	12.50	100%	0%	25%
North	Main	N	5	12.00	80%	40%	0%
Northeast	Main	N	12	14.17	100%	25%	17%
South Central	Main	N	8	12.50	100%	13%	13%
UK	Main	N	14	14.29	100%	21%	21%
Upstate NY	Main	N	4	12.50	100%	0%	25%

Data


Berkeley E	Berkeley B	10	10	0	20
Stanford A	Berkeley F	0	10	0	10
Stanford B	Berkeley C	0	10	0	10
UCSC	Berkeley A	0	10	10	20
UCSD Vices and Virtues	Claremont Pitzer	0	10	0	10
McMaster C	McGill A	0	10	0	10
McMaster A	Toronto F	0	10	0	10
Toronto C	Queen's B	10	10	10	30
Toronto A	Toronto E	0	10	0	10
Toronto H	Toronto G	0	10	0	10
UF E	UCF A	0	10	0	10
OSU B	Pitt A	0	10	0	10
OSU D	CWRU D	10	10	0	20
CWRU A	Pitt C	0	10	0	10
NYU A	Georgetown A	0	10	10	20
Maryland A	NYU B	0	10	10	20
Johns Hopkins A	Penn A	10	10	0	20
Princeton A	Lehigh B	0	10	0	10
WashU C	Truman State	0	10	0	10
WashU B	WashU A	0	10	0	10
Illinois A	Chicago B	0	0	0	0
Indiana A	Chicago C	0	10	10	20
Chicago A	Illinois C	0	10	0	10
Michigan A	Kentucky	0	10	0	10
Purdue A	Notre Dame A	0	10	0	10
Illinois B	Purdue B	0	10	0	10
Michigan B	UIC	0	10	10	20
Carleton	Iowa State	0	10	0	10
Minnesota A	Macalester B	0	10	10	20
Liberty A	Roanoke	0	10	0	10
Tennessee A	NC State	0	10	0	10
South Carolina A	North Carolina A	0	10	10	20
Tusculum	Virginia A	0	10	0	10
Virginia B	North Carolina C	0	10	0	10
North Carolina B	Virginia Tech A	0	10	0	10
Virginia Tech B	South Carolina B	10	10	0	20
MIT A	Bowdoin B	0	10	0	10
Brandeis Wilson	Yale B	0	10	0	10
Brown A	Brandeis Clemenceau	0	10	0	10
Harvard	MIT B	10	10	0	20
Washington A	Alberta	0	10	0	10
Washington B	Simon Fraser	0	10	0	10
Texas B	Alberta B	0	10	0	10
Arizona State A	Ohio	0	10	0	10
Iowa	Northwestern A	0	10	0	10
UCO	Texas A	0	10	0	10
McGill D	UTD B	0	10	10	20
RIT B	Cornell-DII	10	10	10	30