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Portuguese term or phrase: (27) Curvas de nível  MATEMÁTICA (num curso de economia)
Curvas de nível: curvas de indiferença e isoquantas de produção 
 António RibeiroKudoZ activityQuestions: 486 (none open) ( 2 closed without grading) Answers: 9419
 Local time: 11:42

 English translation:level curves  Explanation: In full: "Level curves: indifference curves and production isoquants..."
All three of these terms appear at the first web site: "Economics 100A: Level curves of functions.  If f(x1,x2) is a function of the two variables x1 and x2, a level curve of f(x1,x2) is just a locus of points in the (x1,x2) along which f(x1,x2) takes on some
constant value, say the value of k. The equation of this level curve is therefore simply f(x1,x2) = k, where we may or may not want to solve for x2. For
example, the level curves of a consumer’s utility function are just her indifference curves (defined by the equation U(x1,x2) = u0), and the level curves of a firm’s production function are just the isoquants (defined by the equation f(K,L) = q0)..."
And the second site explains that the latter two terms are synonymous: "Graphically, we plot the budget line and production indifference curve (an isoquant) indicating that CCC can produce no more than 1,000 containers..."
(Is it any wonder economics is universally referred to as "the dismal science"??)
Cheers,
HC

 Selected response from: Heathcliff United States Local time: 18:42
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27 mins regression curves
Explanation: expressão muito usada em geometria analíticacartesiana (equação representada numa curva gráfica).
Usei e é muito usado em várias ciências (todas que precisam de um gráfico exato, representado por uma curva que pode ser: 1 reta, hipérbole, e muitas outras formas, mas que "obedecem" essa curva. "Regression curve", sem dúvida (se fôr o que estou pensando).
 DrSantos Local time: 02:42 Native speaker of: Portuguese PRO pts in pair: 183

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35 mins peer agreement (net): +1 level curves
Explanation: In full: "Level curves: indifference curves and production isoquants..."
All three of these terms appear at the first web site: "Economics 100A: Level curves of functions.  If f(x1,x2) is a function of the two variables x1 and x2, a level curve of f(x1,x2) is just a locus of points in the (x1,x2) along which f(x1,x2) takes on some
constant value, say the value of k. The equation of this level curve is therefore simply f(x1,x2) = k, where we may or may not want to solve for x2. For
example, the level curves of a consumer’s utility function are just her indifference curves (defined by the equation U(x1,x2) = u0), and the level curves of a firm’s production function are just the isoquants (defined by the equation f(K,L) = q0)..."
And the second site explains that the latter two terms are synonymous: "Graphically, we plot the budget line and production indifference curve (an isoquant) indicating that CCC can produce no more than 1,000 containers..."
(Is it any wonder economics is universally referred to as "the dismal science"??)
Cheers,
HC
Reference: http://weber.ucsd.edu/~jshachat/Econ100A/W01/Lcurves/lcurves... Reference: http://www.princeton.edu/~econ102s/PS4.pdf
 Heathcliff United States Local time: 18:42 Native speaker of: English PRO pts in pair: 231

  
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7 hrs Contours or contour lines
Explanation: Em mapeamento a expressão usada é essa. No caso, parecem estar usando a mesma idéia aplicada a matemática e economia, porque isoquantas são pontos do gráfico de produção com a mesma quantidade, ou seja, são "curvas de nível" no mapa de produção.
 Silvio Picinini United States Local time: 18:42 Native speaker of: Portuguese PRO pts in pair: 113

 
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