Questions tagged [real-analysis]
The real-analysis tag has no usage guidance.
10
questions
0
votes
1answer
44 views
Indifference Curve Analysis [closed]
I would like to analyse how COVID-19 has impacted the aviation industry by looking at how the demand for airlines + holidays has fallen via an indifference curve analysis. However, I'm not sure where ...
3
votes
0answers
17 views
Proof of Criteria for Local Identification in Rothenberg (1971)
My question is regarding Theorem 1 (page 579) of Rothenberg (1971). It is associated with four assumptions given on the same page. But, I only have a question about a single step of the proof, so I ...
1
vote
1answer
37 views
Budget Set- closed and boundedness
I am fairly new to economics, and we were introduced to budget sets,
The professor mentioned that the budget set $B(p,w) = \{x \in R^{l}_{+}: px \leq w\}$ is non empty and closed - I could prove the ...
5
votes
0answers
126 views
Topological intuition to continuous preference relation
For a Microeconomics Course, we are going through MWG, and in the lecture we discussed the notion of a continuous preference relation.
A preference relation $\succsim$ on a set $X$ is called ...
3
votes
1answer
85 views
Concavity of Cobb-Douglass Utility Function on Non-Open set
My textbook argues that the Cobb-Douglass utility function $u=(x1)^a(x2)^b$ with $a,b>0$ and $a+b<1$ is concave on $R2+$ by computing the Hessian and showing it to be negative semidefinite for ...
0
votes
0answers
50 views
Relationship between strictly convex preference and convex preference
Let X be a convex subset of linear topological space and let binary relation >=
be a complete preordering.
prove: If preference relation is strictly convex and continuous, then it is convex.
Since ...
0
votes
2answers
39 views
Real wages fluctuation as per classical economics
I have just started studying Macroeconomics and have noticed that as per the Classical economics, the real wage level will always remain same because any change in price level in the market is ...
0
votes
1answer
92 views
Calculating elasticity between terms in a regression equation
Given the following regression: $ln(w_i)=\beta_1+\beta_2age+\beta_3age_i^2+\beta_4Y_i+\beta_5T_i+\beta_6Mar_i+\epsilon_i$ I am asked to calculate the elasticity of wages with respect to age. Is the ...
1
vote
0answers
23 views
What problems arise when the minimum wage is directly linked to the inflation rate?
For example if the minimum wage is 10, and the inflation for the year is 3%, then next year the minimum wage is 10*1.03 =10.30. the next year, inflation is 5%, so the minimum wage becomes 10.82.
The ...
1
vote
1answer
123 views
Supporting Hyperplane Theorem and quasiconcave utility function
My notes says that if $u(.)$ is strictly quasiconcave and differentiable, by the supporting hyperplane theorem, there exists $p >>0$ and $w \geq 0$ such that $ x = x(p,w)$ $\forall x$. I am ...
