Consider an economy with two goods t = 1, 2. Whenever an individual consumes xị units of good 1 and x2 units of good 2, their utility is given by u(x1, x2) In x1 + 8 In x2, where d is a parameter taking values 0 < 8 < 1. (i) How does the parameter d affect the marginal rate of substitution between goods 1 and 2? Explain intuitively how does the relative preference for goods 1 and 2 change as the parameter d increases.

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