Questions tagged [academic-graduate]
Expert level questions which do not arise prior to graduate studies in economics.
72
questions
12
votes
1
answer
1k
views
Conventions for reading mathematically rigorous academic articles in economics
How would an informed reader typically go about reading a mathematically rigorous academic article in economics, with lots of notations, assumptions and postulations (e.g, a typical article published ...
0
votes
1
answer
30
views
How do I elegantly upload my working paper on SSRN?
I am an academic novice. Recently, I have a working paper that I want to upload to SSRN. I have several questions that I wish to get answers to:
Will registering SSRN with a private email address ...
0
votes
0
answers
89
views
PhD Micro and Macro Comprehensive Exams
I am interested in seeing some old examples of PhD comprehensive exams in both Micro and Macro. I have seen that previous posts (like this one) had some suggestions given, but some of the links (such ...
5
votes
1
answer
240
views
Learning post-keynesian and marxist economics
My question here is not about theory, but more about the teaching landscape. I'm currently learning economics in Canada, and I realize that the academic world is very homogeneous. I'm quite impressed ...
6
votes
3
answers
911
views
Does julia's speed advantage over python make any difference for DSGE modeling?
When compared to Python the main selling point of Julia is its speed as it is often argued. However, from my own personal experience I never noticed any significant difference in speed between Julia ...
1
vote
1
answer
55
views
Opportunities for Computer Science Graduates in the Field of Economics [closed]
I know this question has been asked quite a few times already but I have several other different questions to ask too. So, I am asking all of them here.
Let me give you a quick summary of my ...
2
votes
0
answers
301
views
In Economics, how likely is a R&R paper be finally accepted in a top field journal or top 5 journal? [closed]
Based on reliable data (if there is any), how likely is a R&R be finally accepted approximately?
Here is some numbers I found:
According to an anonymous comment, the post RR acceptance rate for ...
2
votes
1
answer
333
views
Is it necessary to ask permission before including someone in the acknowledgements of a economic research paper?
Do I need permission to thank someone, even if I said “all mistakes are our own”?
Do I have to make sure that the person being thanked must read the paper, or, it is fine if he just discussed about ...
-1
votes
1
answer
53
views
Thesis research advice on what statistical method to use for small sample?
I am writing my thesis in economics and trying to prove there is a correlation between 2 variables Data collected with Likert scale questionnaire (1-5 scale) I summed up the data and got scale ...
3
votes
1
answer
81
views
Where to find the latest statistics of brain drain in the world?
Where to find the latest statistics of brain drain in the world?
I would appreciate your suggestions.
2
votes
1
answer
161
views
What is the difference between a power law exponent and the Pareto exponent?
I use the poweRlaw package in R to fit a power law to my data. I am trying to figure out what is the value of the Pareto exponent.
Assume the probability mass function is defined by:
$$
p(x) = \...
0
votes
2
answers
146
views
Log linearising (Gali textbook)
In Gali (2015)'s textbook Monetary Policy, Inflation, and the Business Cycle, variables in levels are denoted with capital letters, logged variables with lowercase letters.
However, when a log-...
6
votes
1
answer
179
views
Optimal price function: application of calculus of variations
The problem, I am trying to solve is based on the paper by Rochet and Vila 1994 (see literature below). In fact, it is a variant of the seminal paper of Kyle 1985 in the finance/economics literature. ...
1
vote
1
answer
744
views
What are some applications of Real Analysis in Graduate Economics?
I am interested as to what areas of masters/PhD coursework that learning the fundamentals of Real Analysis would be beneficial for?
I am aware of its applications in Econometrics proofs and analysis, ...
-1
votes
2
answers
83
views
Economics PhD graduate? [closed]
What are the options for Economics PhD students after graduation? I am aware most students end up going into academia as either professors or researchers. What are the options in the corporate world ...
0
votes
1
answer
95
views
Market Power in microeconomic theory
What does the term Market Power mean in microeconomic theory
0
votes
1
answer
74
views
Getting a Paper Published
I have a nice and (I think) significant result. I would like to publish it, but I have no idea how. It's a proof of an optimal institutional structure. Who do I contact?
4
votes
1
answer
208
views
Solving Leeper (1991) model
I am attempting to solve a variation of Leeper's (1991) model, which deals with the FTPL. This is what I have done so far:
The utility function is $\log(c_t)+\delta\log(M_t/p_t)$.
I obtain two ...
4
votes
2
answers
262
views
Solving rational expectations model - Sims form
I am trying to solve my first ratex model and make some impulse response functions using Dynare. I am following Leeper (1991). This is what I have done so far:
The utility function is $\log(c_{t})+\...
3
votes
1
answer
134
views
Value function iterations with hyperbolic discounting
I am currently working to the numerical solution of a model similar to the consumption-savings decision model with hyperbolic discounting as in Krussel et al. (2003).
Even if hyperbolic discounting ...
2
votes
1
answer
105
views
A general formulation to capture price stickiness
In Wickens' macro book, page 227 (1st edition), the author states
where $p^*_t$ is the optimal price at time $t$.
The three theories he is referring to are: Taylor Model of Overlapping contracts, ...
1
vote
1
answer
675
views
$\alpha$ condition and choice structure
I am trying to prove a statement that if $c_R$ is a choice structure, then it must satisfy Sen's $\alpha$ condition.
However, if $X=\{a,b,c \}$, I can construct some choice structure like $c(\{a\})=a,...
1
vote
0
answers
27
views
Which of the possible monetary policy channels is there empirical evidence for?
There are many possible monetary policy channels. These channels are the different ways that changes in the Fed's interest rates can affect the economy: exchange rate depreciations, business ...
4
votes
2
answers
263
views
Is there a model for how much a philosopher produce in his lifespan?
Is there a model for how much a philosopher produce in his lifespan?
If not, state the economical reason for why we pay the philosopher.
3
votes
2
answers
445
views
Using web scraped data for consumer price indices
Is there information and literature regarding comparative consumer price index methods? Specifically, the web scraping method of index construction?
14
votes
1
answer
418
views
Barro's (2009) rare disaster model in the AER: How to derive equation (10)?
In Barro (2009) Rare disasters, asset prices and welfare costs Barro develops a Lucas tree model with Epstein-Zin preferences.
My question concerns the paper's equation (10). In this equation Barro ...
4
votes
3
answers
220
views
How to close the gap between non-Econ background and Macroeconomics
I'm a first year PhD student with mathematical finance background, and am not quite familiar with all the assumptions/setup for macroeconomics. During study I found the math relatively easy but I'm ...
4
votes
1
answer
2k
views
Doing a PhD Economics without background in formal theorems?
I could really use some advice. I am a new PhD student in Economics and Finance. My background is in economics, and while I did mathematics in my Master's course, it was more data-analysis based ...
4
votes
2
answers
696
views
Why are some economists remarkably productive?
I'm a first year PhD student and I randomly go to different professors' websites to admire their works. Usually an economist has around 20 published papers when he/she reaches professorship. But there ...
15
votes
1
answer
515
views
Stochastic growth in continuous time
Literature: See Chang (1988) for theoretical part and Achdou et
al. (2015) for numerical part respectively.
Model
Consider the following stochastic optimal growth problem in per capita notation.
\...
1
vote
1
answer
49
views
How to derive formula for marginal probability of choosing nest in nested logit model?
I am trying to understand all the details of the nested logit and what confuses me is the formula for marginal probability of choosing the nest. In more details: the joint probability of individual n ...
11
votes
6
answers
2k
views
Did previous researchers fail to detect the hot hand simply because of a statistical fallacy?
Many basketball fans/players believe that having made several shots in a row, the next shot is more likely to go in. This is sometimes called the hot hand.
Starting (I think) with Gilovich, Mallone, ...
5
votes
1
answer
115
views
If $a$ and $b$ are two pure rationalizable strategies, can $0.5a+0.5b$ fail to be a rationalizable strategy?
It is easy to see that if $\sigma$ is mixed rationalizable strategy, then a pure strategy $a$ such that $\sigma(a)>0$ is also rationalizable, but it seems not vice versa.
For a two-player finite ...
1
vote
1
answer
59
views
What does "agent" mean in Pearce's formulation of extensive form rationalizability?
While reading Pearce(1984), I can't understand what "agent" $j$ and agent $ij$ mean on page 1041:
Consequently I associate a conjecture $$ c^{ij} = (c^{ij}(1), ... ,
> c^{ij}(N)) $$ with each ...
5
votes
0
answers
103
views
Can repeated bidding in an auction make each player's type common knowledge?
In Benjamin Edelman, Michael Ostrovsky, and Michael Schwarz(2007), there's a hand-waving argument to justify their setting as a game of complete information:
we assume that all values are common
...
5
votes
1
answer
134
views
How to write the dual problem of this maximization problem?
On this note for Shapley-Shubik model, there's a maximization problem:
$$\max_{x_{ij} \in \mathbb{R}^{M \times N}}\sum_{j \in N}\sum_{i \in M}v_{ij}x_{ij}$$
$$\text{s.t.} \ \sum_{j \in N}x_{ij} \...
2
votes
0
answers
192
views
Hot Topics in Labor-Macro
I'm interested in currently hot research topics within Labor Macro. I'm only aware of the debate on the recent shift in the US Beveridge curve, and, of course, the olden but golden Shimer puzzle.
...
2
votes
0
answers
300
views
A Perfect Bayesian Bargaining problem
Thought I'd post interesting questions that come my way to try and boost activity!
A seller and a buyer negotiate over trade of a single indivisible
good. The good is either of low quality (in which ...
9
votes
1
answer
2k
views
Take-it-or-leave-it PBE
I've found an interesting question looking at perfect-bayesian-equilibrium. I haven't seen a question where beliefs are not discrete.
There is a single potential buyer of an object which has zero ...
4
votes
1
answer
179
views
Why does $\varepsilon_{x,p_x}^H =-s_y \sigma $?
Suppose I have two goods $x$ and $y$ and their associated prices $p_x$ and $p_y$. Income $m$. $x^H$ is Hicksian demand and $x^M$ is Marshallian demand.
Slutsky Equation:
$$\frac{\partial x^M}{\...
5
votes
1
answer
353
views
Housing Supply Elasticity: Proxy for Exogenous House Price Movements
Mian and Sufi (2014) say
We use individual and zip code level data, and exploit cross-sectional variation in house price growth to estimate the impact of rising home values on borrowing and ...
3
votes
2
answers
573
views
Does there always exist a consumption bundle at which the indirect utility function is the inverse of the expenditure function?
Two questions:
Given $v(\vec{p},m)$ and $e(\vec{p},\bar{U})$, is there only a single point at which these are inverses of each other?
Does an inverse always exist for a given price vector $\vec{p}$,...
9
votes
3
answers
1k
views
Does risk aversion cause diminishing marginal utility, or vice versa?
Let $A$ be the set of possible states of the world, or possible preferences a person could have. Let $G(A)$ be the set of "gambles" or "lotteries", i.e. the set of probability distributions over $A$. ...
7
votes
1
answer
210
views
Splittet Value Function and Hamilton-Jacobi-Bellman equation
General Problem
Let $k\in\mathbb{R}_+$ be the state variable, $k=k^*$ a fixed point (saddle) and $v(k)$ a value function. The problem is, that the value function has two distinct functional forms, ...
3
votes
0
answers
110
views
Solving this system of ODE
I have the following system of equations
$$ \rho V(u, \epsilon^i) = F(u, \epsilon^i) + V_u(u, \epsilon^i)g(u, V(u, \epsilon^i) + \lambda^i \left(V(u, \epsilon^{-i}) - V(u, \epsilon^i)\right)$$
with $...
4
votes
1
answer
66
views
What's the status on uncertainty shocks?
Bloom (2009) analyzes the impact of uncertainty shocks, and Bloom et al (2014) propose a business cycle model based on these shocks.
It seems to be a young field, but is there any consensus on ...
2
votes
0
answers
67
views
How this ex ante game induce a uniform distribution for interim stage?
In an article (see here) from the blog leisure of theory class, it is shown, in an interim stage for a Baysian game, we could run into a technical problem that the induced belief space for a player ...
4
votes
1
answer
88
views
Are there some nice properties for a finite two-player game having an increasing differences utility and a decreasing differences utility?
Nice properties of the set of Nash equilibria can be shown for supermodular games(see here). But for a two-player game in which
Strategy spaces for two player, $S_1$ and $S_2$ are finite, and both ...
6
votes
1
answer
130
views
Is there any article or paper that describes what Thomas Sargent thinks of New Keynesian economics/models?
Is there any article or paper that describes what Thomas Sargent thinks of New Keynesian economics/models?
I am asking this question, because we all know what Thomas Sargent thinks of Old Keynesian ...
6
votes
1
answer
137
views
Gali and van Rens: The Vanishing Procyclicality of Labor Productivity
Let's see how questions like the following are taken here.
Gali and van Rens, 2014 show that empirically, the correlation between $Y, Y/L$ has been declining over time. In fact, it only was a "real ...