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Logarithmic Utility function Algebra

Question: I'm told the following (by an exam mark scheme): Using $a + b =1$ $a[ln(\frac{am}{p_1})] + b[ln(\frac{bm}{p_2})] = ln(m) - aln(p_1) - bln(p_2)$ I can't get this to hold without the ...
CormJack's user avatar
  • 1,011
2 votes
0 answers
39 views

Does local non-satiation hold for this problem?

I am getting some confusing results solving this problem: $max_{c_0\geq0, c_1\geq0} \bigg\{EU = R(1-c_0) [p t_1 + (1-p) c_1^{-2} t_2] \bigg\} ~ s.t. ~c_0+c_1 \leq 1$ where $p$ is the probability of $...
L1234's user avatar
  • 33
5 votes
1 answer
354 views

Nonlinear budget constraints (for quantity discounts)

I was thinking about quantity discounts and if there is a possibility to model them not as bundles (as is typical for second price discrimination) but rather as prices being some continous functions ...
Athaeneus's user avatar
  • 834
0 votes
0 answers
42 views

How to derive consumer expenditures in EMEA 14.2.5

I am working on a problem 14.2.5 from EMEA by Sydsaeter, Hammond and Strom. Consider the consumer demand problem: $$ \max_{x,y} U(x,y) = \alpha \ln(x-a) + \beta \ln(y-b) \text{ s.t. } px+qy=m \tag{*} ...
WilliamT's user avatar
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