∂L/∂x = 1 - 2λ = 0 ∂L/∂y = 2 - λ = 0 ∂L/∂λ = 2x + y - 100 = 0

u(x, y) = x + 2y

| | b1 | b2 | | --- | --- | --- | | a1 | 2, 3 | 1, 2 | | a2 | 3, 1 | 2, 2 |

Suppose that a consumer has preferences over two goods, x and y, represented by the utility function:

We hope that this article has provided a useful guide to Kreps: A Course in Microeconomic Theory solutions, helping readers navigate the textbook and gain a deeper understanding of microeconomic theory.

The first-order conditions are: