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NOTE: Add values across, plus 1.00 for the first adult, to obtain the scale value for a particular size family.
a Calculated from the thresholds for a married-couple family of the specified family size compared to the threshold for an unrelated individual under age 65 (Bureau of the Census, 1993c: Table A).
b Derived on the basis of Engel curves and food shares. The scale values shown are for a family in which the head is aged 35–54 (in Sherwood, 1977: Table 7).
c Scale values do not distinguish between adults and children.
d Derived by adding the costs of individual food plans and adjusting for household economies of scale in the use of food (Peterkin et al., 1983:15).
e Derived on the basis that a second adult adds 70 percent to the single adult's budget and each child adds another 50 percent (Organization for Economic Cooperation and Development, 1982).
f Derived using a method similar to the iso-prop method (in Wolfson and Evans, 1989:55); see text.
g Derived using a variant of the Barten model.
h Derived using a variant of the Rothbarth model; see text.
i Derived using a variant of the Barten model, which also distinguishes by the age, race, and sex of the household head, geographic region, and farm-nonfarm residence. The scale values shown are for a family headed by a nonfarm white male between the ages of 25 and 34 and living in the Northeast (in Jorgenson and Slesnik, 1987: Table 2).
j A subjective scale applying to households in which the head is under age 65 (in Danziger et al., 1984: Table 2).
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