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The Princeton Companion to Mathematics by Imre Leader, June Barrow-Green, Timothy Gowers

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VII.08 Mathematics and Economic Reasoning

Partha Dasgupta

1 Two Girls

1.1 Becky’s World

Becky, who is ten years old, lives with her parents and an older brother Sam in a suburban town in America’s Midwest. Becky’s father works in a law firm specializing in small business enterprises. Depending on the firm’s profits, his annual income varies somewhat, but it is rarely below $145 000. Becky’s parents met in college. For a few years her mother worked in publishing, but when Sam was born she decided to concentrate on raising a family. Now that both Becky and Sam attend school, she does voluntary work in local education. The family live in a two-story house. It has four bedrooms, two bathrooms upstairs and a toilet downstairs, a large drawing-cum-dining ...

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