Questions tagged [academic-graduate]

Expert level questions which do not arise prior to graduate studies in economics.

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Arrow's Dictator

Arrow's Impossibility Theorem is often presented as a negative result in graduate classes. I wonder if the 'dictator' is taken too literally. If the assumptions of the theorem hold, there exists an ...
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1 vote
2 answers
339 views

What should I gain out of second year classes?

I'm in my second year. Most of my classes are just introduction to a bunch of papers and models. I'm not sure what I should be gaining out of these papers. What are the skills I should be picking up? ...
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1 vote
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Interpolating GDP

So I'm conducting a test on the strength of the APT model using data, I wanted to use GDP as one of my variables but it uses quarterly data, whereas the rest of my dataset is monthly. So, my question ...
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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 ...
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0 votes
1 answer
117 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
120 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
264 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
1k 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 ...
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1 vote
1 answer
59 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
390 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 ...
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2 votes
1 answer
338 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 ...
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-1 votes
1 answer
54 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 ...
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3 votes
1 answer
86 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.
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2 votes
1 answer
190 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) = \...
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0 votes
2 answers
160 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-...
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6 votes
1 answer
196 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
920 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, ...
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-1 votes
2 answers
88 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 ...
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1 answer
95 views

Market Power in microeconomic theory

What does the term Market Power mean in microeconomic theory
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1 answer
75 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?
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6 votes
1 answer
243 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
272 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})+\...
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3 votes
1 answer
145 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 ...
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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
715 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,...
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1 vote
0 answers
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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 ...
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4 votes
2 answers
264 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.
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3 votes
2 answers
461 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
429 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 ...
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4 votes
3 answers
223 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
702 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
542 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. \...
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1 vote
1 answer
53 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 ...
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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, ...
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5 votes
1 answer
120 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
139 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. ...
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2 votes
0 answers
305 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 ...
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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 ...
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4 votes
1 answer
181 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
364 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 ...
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3 votes
2 answers
601 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 $\vec{p}$,...
10 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
225 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, ...
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3 votes
0 answers
114 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 $...
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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 ...
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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 ...