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157 views

Econometrics: Weights in regression that contains averages

Let's say I have a regression of the form: $$y_j=a_0+a_1*T_j+a_2*X_j+u_j$$ where $j$ stands for county, and $y$ and $X$ are averages over worker outcomes/characteristics for each county, and $T$ is ...
4
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0answers
78 views

How does real GDP take into account technological advancement?

I'm asking this question, since it was not explained in my textbook and since I couldn't find the answer in Internet. For example, 1 TB HDD costs 50 dollars now, and 100 GB HDD costed 50 dollars in ...
4
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0answers
3k views

Multiplier in the two-sector Keynesian model

Which of the following is most likely to reduce the size of the multiplier in the simple (2-sector) Keynesian model? Increased taxes on savings Reduced access to government funded medical care ...
4
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0answers
55 views

Non parametric and parametric tests of martingale?

A martingale is a model in which the expectation for the next value is equal to the presently observed value, even given knowledge of prior values, ie $E(X_{n+1} |X_1, X_2, ..,X_n)=X_n$ What tests ...
4
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0answers
350 views

What is the proper term for the “meta-value” of an object?

For instance, say I have a roll of quarters and a roll of dimes. I can use the dimes and quarters in a parking meter, but 50 cents in dimes gets me less time than 50 cents in quarters. Additionally, I ...
4
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0answers
56 views

How exactly do Participatory Notes induce volatility into the economy?

I was reading up on participatory notes. Wikipedia defines these as "instruments issued by registered foreign institutional investors (FII) to overseas investors, who wish to invest in the Indian ...
4
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0answers
58 views

Post-redistribution Lorenz curve comparison with reranking in R

Using R, assume the population income for N= {1.. 7} looks like $X_1$= c(1,3,5,7,7,19,21). Use the Lc() function from the "ineq" package to plot the corresponding Lorenz curve $L_{X_1}(p_1)$. Next, ...
4
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0answers
103 views

Decreasing Yield Curve: Infer expected future trend?

If the yield curve for zero coupon bonds is decreasing does it mean (in general) that investors are thinking that country's economy has gloomy future? Or unpredictable?
4
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0answers
38 views

Are there any economic studies of License-On-Transfer agreements?

A recent entry at GitHub's blog caught my attention: https://github.com/LOT. The "network" claims to provide protection from patent trolls by entering into an agreement automatically granting all ...
4
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1answer
54 views

Can quantative easing be summarized as “The state prints cash to pay its debt to private sector”?

I find that most sources describe quantitative easing in an overly complicated way that obscures what it basically means. As far as I understand a central bank is a public entity owned by a state, ...
4
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1answer
165 views

Papers on Game Theory and the Housing Market

Professor George Fallis in his book "Housing Economics" writes: (Chapter 4 pg. 78) The (home)owners will establish a pricing strategy depending on how they believe demanders are behaving; ...
4
votes
1answer
153 views

Effects of ACA individual mandate vs AHCA surcharge

The US Congress is currently considering a new healthcare bill, the AHCA, which would replace the existing healthcare bill, the ACA. One of the major changes is the way each bill encourages people to ...
4
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1answer
44 views

Easterlin hypothesis

In my understanding, the seminal contribution of Easterlin (1974) showed that within a single cross section, both within and across countries, happiness correlates positively with income. However, ...
4
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1answer
411 views

Criticism of “Modern Political Economics” by Varoufakis, Halevi, Theocarakis

The book "Modern Political Economics" is quite critical about "neoclassical economics", the basic claim being, if I understand correctly, that the models which "neoclassical economics" (armed with ...
4
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3answers
626 views

Is the labor force participation rate related more to labour supply or to labour demand? Or both?

I have read several Labor Economics books, but I am stuck. Is the labor force participation rate related more to the labour supply or to the labour demand? If the labor force participation rate ...
3
votes
1answer
44 views

Difference-in-Difference (DID) Regression with Non-Stationary (but Cointegrated) Treatment and Control Groups

I would like to run a DID regression between two periods where each period spans multiple years. For example: Period 1: 1970Q1-1990Q4 Period 2: 1991Q1-2010Q4. My treatment and control variables are ...
3
votes
1answer
67 views

What is an estimate of the value of the world's assets?

Gross world product is on the order of 80E12 $ per year (PPP). Where can I find an estimate of the net value of the world's assets (companies, properties, infrastructure...)? Preferably with some more ...
3
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0answers
36 views

Proof of excess community demand function in Sonnenschein (1973)

Consider the following passage in Sonnenschein (1973; full citation below): Perhaps because I do not know much about the uniform Lipschitz condition, I do not follow his exposition after the first ...
3
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0answers
80 views

Why couldn't India grow its economy as fast as China did?

I was listening to this debate on India vs China. Professor Dr. Kishore Mahbubani posed this question (watch from 17:21). Let us see the following graph: India has a population comparable to China. ...
3
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1answer
74 views

Definiton of information sets in rational expecations models

I am struggling with the notion of 'information sets' in the context of rational expectation models in economics. I found interesting notes on the web (http://www2.econ.iastate.edu/tesfatsi/reintro....
3
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1answer
35 views

Binary-continuous choice model in empirical consumer choices

There are quite a lot empirical research based on discrete choice models, in which the consumer selects one of J alternative goods to maximize her indirect utility. The key assumption of these models ...
3
votes
1answer
46 views

Is weak sustainability (Hartwick's rule) possible on a global scale?

Hartwick's rule postulates that an economy is sustainable if all rents obtained from the extraction of non-renewable resources are re-invested in produced capital (Source). A typical example would be ...
3
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0answers
53 views

Possible mistakes in Stigler, 1970 — what am I missing?

Find the complete paper here: https://www.jstor.org/stable/724835?seq=1 I am reading Director's Law of Public Income Redistribution by George Stigler, published in the Journal of Law and Economics (...
3
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0answers
76 views

Perfect Bayesian Equilibrium for banks

I'm reading this paper on credit lending cycles and trying to understand how it works for the case of one bank. This is the set-up of the model: There are two players, a bank and the market. There ...
3
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0answers
25 views

Average ability conditioning on having accepted an offer

There is a continuum of workers between 0 and 1. These have ability $\alpha\sim U[0,2]$. A firm offers them a salary $v$ and has profits $$ \pi = (\rho \alpha-v) n(v) $$ where $n(v)$ is the fraction ...
3
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0answers
24 views

Does a monopolistically competitive market outcome involves assuming rational expectations?

E.g. When Grazzini et al. (2014) discuss a "monopolistically competitive outcome" (MC) in their paper ($2.1), which is based on Dixit-Stiglitz's model, 1977, does this outcome involve assuming ...
3
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0answers
24 views

Impacts of Suspending Mortgage and Rent Payments

Recently, there has been some support for suspending rent and mortgage payments, the goal being to provide financial relief during the Covid-19 response. I'm wondering what the impacts for the ...
3
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0answers
39 views

Meaning of “let him take Money at Interest, and not buy at Time”

Dudley North (1691): let him take Money at Interest, and not buy at Time What does the above statement mean? I think "take Money at Interest" simply means "borrow at some interest rate". But I ...
3
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0answers
17 views

How reliable is ECB's financial derivatives data?

I am trying to use QSA financial derivatives data retrieved from the ECB's database (this is actually compiled by ECB and Eurostat). To be more specific, the data is: Financial derivatives held as ...
3
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0answers
33 views

Estimating probability of Central Bank's interest rate changes

Recently, I came across this article, which offers a simple model for estimating the probabilities of interest rate cut/hike from a central bank. This is done by using market data, especially normal ...
3
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0answers
31 views

Elasticity of substitution in leisure

This might be a very basic question, but I am a beginner in macro models. I would appreciate help with my doubt. In different papers I have read about the elasticity of labor supply or the inverse of ...
3
votes
1answer
32 views

Uniqueness of equilibria in first-price auction with discrete valuations

Assume we have a first-price auction with discrete and independent private values and identical distributions of all bidders. It is known that there exists a Bayes-Nash equilibrium where bidders bid ...
3
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0answers
75 views

Calculating Social Welfare from an Energy Subsidy

In Allcott and Greenstone's paper, "Is there an energy efficiency gap?", one finds the following figure I quote now from p. 13: "When there are investment inefficiencies, the original marginal ...
3
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0answers
33 views

comparison of micro production functions

There are many different production function estimation methods, relevant for micro and firm data. For example Olley-Pakes, Levinsohn-Petrin, Ackerberg et al., Wooldridge etc. But does anyone know of ...
3
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0answers
37 views

Do countries with high taxes end up with low government debt but high private debt?

I'm curious if my observation that some Scandinavian countries (Denmark, Sweden) have high taxes, low government debt, but high private (in particular high household) debt is applicable more generally ...
3
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0answers
61 views

Mathematics of Marxian Economics

I have studied some Marxian economics, and realise that Marx's writings were not very mathematical. I recently came to know of Analytical Marxism and Neo-Marxian economics. I read the Wikipedia page ...
3
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0answers
25 views

How to interpret the sum of company revenues?

The introduction to the Fortune 500 states: In total, Fortune 500 companies represent two-thirds of the U.S. GDP with $13.7 trillion in revenues. I checked, and this is indeed the sum of those 500 ...
3
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0answers
56 views

Question about an ergodicity in economics paper

Disclaimer: I'm not well read in economics but am mathematically literate (PhD in Mech Eng) Recently I was sent a paper from Nature Physics, "The ergodicity problem in economics" by Ole Peters. I ...
3
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2answers
58 views

What does commitment in adverse selection mean?

In this slide deck, p15. it says "The revelation principle requires that the principal can fully commit to the terms of the contract. If this is not the case, an indirect mechanism, which allows for ...
3
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1answer
62 views

Regarding the Expenditure Function Underlying a Bliss Point

I've been looking at expenditure systems and have been really interested in the behaviour of the demand system that underlies bliss points: Consider the bliss point utility function of the following ...
3
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0answers
55 views

Existence of symmetric trembling hand perfect equilibria

Consider symmetric and finite game. By Nash (1950), the game must have at least one symmetric equilibrium (proof). Also, it must have at least one trembling hand perfect equilibrium (proof). ...
3
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0answers
15 views

Are there any net benefits in reducing/increasing tourist-oriented retail business?

Hong Kong is currently experiencing a slump in foreign tourist-oriented retail sales. Shops selling jewellery, watches, infant formula or Chinese medicine experienced a 25-35% decline YoY in August. ...
3
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0answers
90 views

Mean Variance Optimization in a Utility Maximization Framework

I'm struggling to gain a broad understanding of Mean-Variance utility theory as it relates to finding the efficient frontier of a group of assets which each have some return and variance. The typical ...
3
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0answers
91 views

Fixes of quadratic utility when probability of decreasing utility is large

In finance and specifically portfolio theory, a popular utility function is quadratic utility $$ u(x)=x-\frac{\lambda}{2}(x-\mu_x)^2 $$ where $x$ is wealth and $\lambda$ is the parameter of risk ...
3
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0answers
93 views

Log-linearizing a non-separable utility function around the steady state

I've started reading Jordi Galí's Monetary Policy, Inflation and the Business Cycle (2nd ed., 2015). In section 2.5.2, Galí considers an example with the following non-separable period utility ...
3
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0answers
88 views

Linear Homothetic Utility

A Homothetic Utility is where $$ \forall x,y, \forall a \in \mathbb{R}_+: \ u(ax,ay)=au(x,y) $$ (or its monotonic transformation). A linear Homothetic utility is defined as $$ \forall x,y, \forall ...
3
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0answers
37 views

Asymmetric Nash Bargaining

The Nash bargaining solution selects the unique solution to the maximization problem $\max_{s_1, s_2 } (s_1 - d_1) (s_2 - d_2)$ such that the solution satisfy the following axioms : Invariance ...
3
votes
1answer
54 views

Trying to apply in practice the theory of finding the optimal price in a cournot competition

I recently received my bachelors degree in economics. For fun I wanted to try to apply some micro-economic theory of finding the optimal price in a cournot competition. I wanted to do this for a ...
3
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0answers
46 views

Can technical change have a negative growth rate?

Using the following nested CES function I have backed out augmentation indices $A_L$ and $A_E$. Where $A_L$ is a labour-augmenting technical change index and $A_E$ is an energy-augmenting technical ...
3
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0answers
36 views

Are that models that explain how companies become more efficient?

I'm trying to model/understand the following intuition: Company makes a product Product gets sold, company makes a profit Company does something with the profit to become "better" at what they do: ...

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