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votes
3answers
687 views

Impact of auction systems that allow 'sniping'

I'm a bit perplexed that eBay has auctions that have a fixed time ending, and so winners are often determined by who can 'snipe' the auction, by putting in the winning bid at the last possible ...
10
votes
2answers
222 views

Optimality of Zero Capital Taxation

The Chamley-Judd result of zero optimal capital taxation says that 0 capital taxation are required in order to maximize welfare at the steady state. The result is 30 years old. Still assuming that ...
10
votes
3answers
2k views

Open access datasets for teaching IV regression

I am looking for a dataset to show (to a group of engineers) how the instrumental variables technique is used in econometric practice. I could always make up my own data, but I think it might be ...
10
votes
2answers
761 views

OLS bias in demand estimation: the bias always underestimate the demand's elasticity?

Some papers argue that OLS can produce less bias than IV estimation depending on the quality of your instruments. Suppose we consider a demand estimation equation. Suppose the demand elasticity is ...
10
votes
3answers
513 views

Nobel prize for empirical work

Did any recipients of the economics Nobel prize receive their prize for work that was primarily or substantially empirical (rather than theoretical) in nature?
10
votes
2answers
3k views

Intuition behind risk premium

In Lecture 20 of MIT's Microeconomics course, a situation is proposed where a 50/50 bet will either result in losing \$100 or gaining \$125 with a starting wealth of \$100. It is stated that a person ...
10
votes
3answers
55k views

What is the difference between intensive margin and extensive margin in labor economics?

What is the difference between intensive margin and extensive margin in labor economics, or general RBC model, where we talk about labor-hours supplied changing with extensive margin or intensive ...
10
votes
1answer
1k views

Wouldn't abolition of cash give rise to a substitute currency?

Some countries (e.g. Sweden and Denmark) plan to abolish physical cash in the future and restrict the use of cash to electronical deposits. One of the reasons for this is to prevent hoarding / boost ...
10
votes
3answers
2k views

Is it possible to have a modern economy without a central bank?

Many mainstream economists say that such thing is impossible. Is there some specific reason why the financial system needs a central bank? In this video http://m.youtube.com/watch?v=BcuAOdXD0Go, ...
10
votes
3answers
922 views

What is the calculable effect of counterfeiting on an economy?

I'm curious whether one can numerically calculate the effect that counterfeiting has on an economy. As I understand it, counterfeiting essentially amounts to theft of the wealth of everybody holding ...
10
votes
2answers
909 views

Simulating Real Business Cycle

Basically I need to replicate Hartley's 'A User's Guide to Solving Real Business Cycle Models' (http://www.econ.ucdavis.edu/faculty/kdsalyer/LECTURES/Ecn235a/Linearization/ugfinal.pdf). Specifically, ...
10
votes
1answer
563 views

Is it possible to derive indifference curves given marshallian demand function?

In a two good world, will a marshallian demand function the likes of D(p,m) where p is the price of one good and m the income yield a utility function or ...
10
votes
2answers
6k views

What is the purpose of measuring GNP?

I know that the GDP (the value of all final goods and services produced within a country during a given period of time) is useful for determining the productivity of a nation, the size of the nation's ...
10
votes
3answers
2k views

Why is the derivative used to represent marginal cost instead of the difference?

Marginal cost is defined as "the change in the total cost that arises when the quantity produced is incremented by one unit." And given a total cost function $C(q)$ that's differentiable, the marginal ...
10
votes
3answers
5k views

Log-linearization of Euler equation with an expectation term

There are a few online resources available to help with log-linearization (e.g., here or here). However, log-linearization where an expectation is involved is a little tricky because the log can't ...
10
votes
2answers
663 views

Can the Machina Paradox be solved by expanding the choice set?

In another question, the Machina paradox is mentioned as a possible counterexample to the expected utility model: Adding to the list of paradoxes, consider Machina's paradox. It is described in Mas-...
10
votes
2answers
575 views

Regression over the whole population

What's the meaning of the standard error of a coefficient in a regression when the whole population is included? I've been so puzzled by this question. Because it seems to me, standard errors make no ...
10
votes
2answers
12k views

CES: Production function: Elasticity of substitution $\sigma = 1/(1 + \rho)$

I have to prove that $\sigma = 1/(1 + \rho)$ for the CES production function: \begin{align} q = (l^\rho + k^\rho)^\frac{1}{\rho} \end{align} I found out that I need to solve the following equation: \...
10
votes
2answers
5k views

Difference-in-differences in 2SLS regression

Usually when we do a difference-in-differences estimation, we do it in a OLS reduced form as follows: $$ Y_{it}=\alpha After_t+\gamma Treatment_i+\delta After*Treatment_{i,t}+X_{it}\beta+\epsilon_{i,...
10
votes
1answer
279 views

Price dispersion in online retail

There are a number of online booksellers that are popular in India right now. The prices they charge for the same book often differ by as much as 10% (See this price comparison site to check http://...
10
votes
3answers
879 views

When treating a relative, normalized utility function as a pmf, what is the interpretation of Shannon entropy or Shannon information?

Suppose $\Omega$ is a set of mutually exclusive outcomes of a discrete random variable and $f$ is a utility function where $0 < f(\omega) \leq 1$, $\sum_\Omega f(\omega) = 1$, etc. When $f$ is ...
10
votes
1answer
445 views

Situations where revelation principle may not hold

Revelation principle is a powerful statement regarding Bayesian Nash equilibrium. However it may not hold always, as where players do not fully know their preferences, or when preference elicitation ...
10
votes
1answer
274 views

Has the assumption that individuals' tastes do not change over time been rigorously challenged?

In their seminal paper De Gustibus non est Disputandum, Stigler and Becker (1977) surveyed four classes of phenomena widely believed to be inconsistent with the stability of tastes: addiction, ...
10
votes
1answer
232 views

Why do stock exchanges not operate at a fixed frequency?

Would this not be more fair towards traders who don't trade at high frequency? And would it not be possible to distribute this fixed frequency to other exchanges, modulo relativity? The reason I'm ...
10
votes
2answers
313 views

How does GNU software development sustain economically?

I apologise if this question is out of topic, but it is simultaneously an economy and a programming question. If it should go to another SE communality, please indicate me. In theory, GNU software is ...
10
votes
3answers
2k views

Under what conditions is a monopoly undesirable?

First of all, I realize that "undesirable" is an ambiguous term. So, to clarify, when is a monopoly undesirable under the following metrics? Pareto efficiency Reduces consumer surplus Social Welfare (...
10
votes
5answers
5k views

Productivity vs real earnings in the US — what happened ca 1974?

Somewhat related to the most recent US elections, I've been researching the whole "white working class" situation, and one strange anomaly has popped up. When one looks at a graph of productivity (...
10
votes
3answers
1k views

CES Production Function with $\rho>1$

In using CES production functions of the form $f(x_1,x_2)=(x_1^\rho+x_2^\rho)^{1/\rho} $, we always assume that $\rho\leq1$. Why do we make that assumption? I understand that if $\rho>1$, the ...
10
votes
2answers
247 views

When should a receiver randomize across actions in a signaling game?

Suppose there is a signaling game with a finite message space $M$, finite action space $A$, and finite type space $T$. Even simpler, all sender types have identical preferences (the receiver just ...
10
votes
1answer
3k views

Homogenous of degree one in utility function.

Question My solution is as follows. Please check my solution. If I make a mistake, please tell. I am really not sure about my solution. Thank you U(x) is homogenous of degree one i.e. u(...
10
votes
1answer
759 views

Examples of Applied Micro Paper with R (!) Code and Data in Public Repository

Can anyone suggest examples of relatively simple applied micro papers (e.g. an RCT or straightforward regression model) of possible interest to a general audience, that have their data and code, ...
10
votes
2answers
161 views

Does 'ethical investing' have any effect?

Some mutual funds make a point of only investing in ethical companies (eg avoiding arms companies, polluters, human rights violators, etc). Or other organisations pressure funds to stop investing in ...
10
votes
2answers
199 views

Fair voting procedure when there are many issues

When several people have to decide about a single yes/no issue*, the natural decision rule to use is the majority rule. But when there are many issues to decide upon, the majority rule is "unfair" ...
10
votes
1answer
350 views

Straub and Werning, 2014, on zero capital taxation

This is a test balloon to see whether these kinds of questions are appreciated/welcome on Econ.SE: I had a hard time grasping Straub and Werning (2014) (no paywall). I understand the general ...
10
votes
1answer
203 views

Do large public companies ever “quit while they're ahead”?

Large public companies (e.g. S&P 500) seem to end their lives in one of two ways: either they're acquired (or taken private), or they go bankrupt. Theoretically it seems like there should be a ...
10
votes
0answers
745 views

Modern theory of integrability of demand?

I am aware of Hurwickz Uzawa work in integability, neatly summarized by Border http://people.hss.caltech.edu/~kcb/Notes/Demand4-Integrability.pdf I am wondering if there is any modern treatment of the ...
9
votes
7answers
3k views

Mathematical Micro/Macro Economics Textbook Recommendation

I was formerly an economics major and now also majoring in mathematics. I want a textbook that is rigorously based on mathematics; not just using mathematics whenever the author wants, but in a more ...
9
votes
2answers
5k views

Does recycling lead to fewer jobs?

Say I buy a glass bottle, I can either put it in the landfill or recycle it. My understanding is, glass will breakdown into sand. (Not sure how well though, since we sometimes find glass from Roman ...
9
votes
3answers
505 views

Why is the rouble collapsing?

What are the reasons why the rouble (RUB) is collapsing? Which one is the main one?
9
votes
4answers
6k views

Why are high/rising property values considered a good thing?

Increasing prices for housing are pretty much universally treated as positive in the news and in political discourse: newspapers run headlines like "Good news: Home values are up" and talk about "...
9
votes
5answers
563 views

What kind of economic freeware exists for economics students?

Can anyone recommend some free software for students studying economics for use in senior projects, theses, or dissertations?
9
votes
3answers
18k views

Prove the sample variance is an unbiased estimator

I have to prove that the sample variance is an unbiased estimator. What is is asked exactly is to show that following estimator of the sample variance is unbiased: $s^2=\frac{1}{n-1}\sum\limits_{i=1}^...
9
votes
3answers
1k views

Is Marx considered an important classical economist?

In a post on the politics stack exchange, I came across the following description of how Marxism fits into the history of economic thought: Most professional economists consider Marx' work on ...
9
votes
6answers
250 views

Getting up to Date on Macro

I have undergraduate level experience in macroeconomics...but I want to do some further learning to try and acquaint myself with where mainstream macroeconomics is at the moment in the hopes that I ...
9
votes
5answers
1k views

Are terrorists rational?

Terrorism in general, and suicidal terrorism in particular, is popularly seen as “irrational,” but many economists and political scientists argue otherwise. This quote is from Terrorism: The ...
9
votes
7answers
4k views

What are the known / alleged problems against using energy as currency?

What are the known (and alleged) problems of using Joules (i.e. a measure of energy/work) as a currency? I tried to find such idea in Google (searched terms like "technocracy", since someone told me ...
9
votes
5answers
3k views

Can the stock market grow faster than GDP indefinitely?

My understanding of conventional wisdom is that average long-term growth of advanced economies is expected to be significantly lower than the average long-term growth of the value of the largest firms ...
9
votes
5answers
933 views

Piracy/File sharing - Why aren't songs, movies or books given for free?

Why aren't songs, movies or books given for free (+ads)? i. Every minute, people are pirating and there is no stopping that. If people see 0.99 for a song on iTunes and 0.00 for a song on a torrent ...
9
votes
3answers
2k views

Can the stock market show indefinite exponential growth?

In a comments on a question on money.SE, the following dialog took place: Eventually there will not be enough matter to represent all the money, so we know for certain that the answer is "No" for a ...
9
votes
5answers
9k views

Does the Federal Reserve buy and sell stocks?

Can the Fed buy and sell stock in publicly traded companies? Is there evidence of this and, wouldn't this behavior drive the price as opposed to actual market forces?

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