Python benefit_from_demand Examples

Example #1

File: test_consumer.py Project: juanre/econopy

    def test_surplus_tax(self):
        """Practice problem 2.3
        """
        sp.var('x p W')
        benefit = et.benefit_from_demand(x, p, 100 - p)
        sp.plot(benefit, (x, 0, 100))

        cons = Consumer(x, p, benefit)
        cons_sub = Consumer(x, p, benefit, other=W - x*p/2)
        self.assertEqual(cons_sub.surplus().subs(p, 50) - cons.surplus().subs(p, 50),
                         1562.5)

Example #2

File: test_consumer.py Project: pjpaulpj/econopy

    def test_surplus_tax(self):
        """Practice problem 2.3
        """
        sp.var('x p W')
        benefit = et.benefit_from_demand(x, p, 100 - p)
        sp.plot(benefit, (x, 0, 100))

        cons = Consumer(x, p, benefit)
        cons_sub = Consumer(x, p, benefit, other=W - x * p / 2)
        self.assertEqual(
            cons_sub.surplus().subs(p, 50) - cons.surplus().subs(p, 50),
            1562.5)

Example #3

 def total_benefit(self):
     return et.benefit_from_demand(self.q, self.p, self.demand)