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26 views

Effects of wartime rationing on British life expectancy?

From The Economist (23 May 2020): In Britain during the 1940s life expectancy shot up by seven years, thanks to a wartime rationing system that ensured everyone had nourishing (if dull) food. I ...
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145 views

Eating a Cake with Uncertain Preferences

I've been playing around with a lot of cake eating problems and have been messing with how uncertainty could enter the model. One thing that I'm thinking about is whether we can solve a cake eating ...
4
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0answers
19 views

CES aggregator for intermediates with heterogeneous productivity

I'm following Atkeson, Burstein (2019 JPE), and cannot understand the aggregation result. There is measure $M(z)$ of firms with productivity $z$, with production function $$ y(z) = z k(z)^\alpha l(z)^...
4
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30 views

What are the pros and cons of Vienna's publicly owned social housing market?

This article and this article report on Vienna's social housing market. Rent controlled since 1917 and now publicly owned. What are the relative pros and cons from an economic standpoint of such a ...
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56 views

Combining functions that satisfy the Inada conditions

Suppose $f: \mathbb{R} \to \mathbb{R}$ and $h: \mathbb{R}^n \to \mathbb{R}$ are functions that satisfy the Inada conditions, and also $$ \forall i: \lim_{x_i \to \infty} h(\mathbf{x}) = \infty. $$ ...
4
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107 views

Which is a better intermediate micro textbook: Perloff (with calculus) or baby Varian (with calculus)?

I’m currently learning intermediate microeconomics with calculus. I know to take derivatives, partial derivatives, integrals, and multiple integrals, and I know some basic linear algebra (solving ...
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40 views

Is there a relationship between the elevation/altitude of a city and its GDP?

A year or two ago, I recall watching a YouTube video that looked at the GDP of various cities and argued that there was a weak positive correlation between their elevation and their GDP. I can't find ...
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65 views

Do central banks pay their staff and other costs with money that they create?

Central banks like the Bank of England and the Fed must cover their costs. I was wondering how they do this? I can think of two possible mechanisms: Government allocates money from its tax revenue to ...
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58 views

Unique Nash-equilibria in multi-unit auctions with uncertain participation

Setup Consider a one shot sealed bid multi-unit auction where $N$ bidders compete for $K$ identical objects and each bidder $i$ has demand $d_i\in \{1,\dots,K\}$. Bidders receive private i.i.d. ...
4
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1answer
153 views

Why don't governments exploit negative interest rates more than they currently do?

At the moment many governments, such as Finland's, are able to borrow money at negative interest rates. My question is: why don't they borrow as much money as possible while interest rates are ...
4
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59 views

Afriat theorem for negative goods

GARP and Afrait theorem assume that the alternative $x\in\mathbb R_+$ is always positive. In some economic contexts, such as financial choices, the attribute can be negative. I wonder if we can ...
4
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52 views

Examples of Analysis of Competition in a Latent Product Characteristic Space

Competition between firms offering heterogenous products is often an exercise of constructing the right kind of spatial model. There is the famous Hotelling model and many other papers that model ...
4
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58 views

How to interpret the proof that information cascades will form?

I am reading the 1992 paper of Bikchandani, Hirshleifer and Welch on information cascades. They claim and prove that, given an environment of sequential decision making, an information cascade will ...
4
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70 views

How Africans use their wages?

I was researching poverty in Africa and was reading about their daily wages. Based on the article linked, 2/3 of Africans live on less than $1.25 USD, a day. However, what this article and many ...
4
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1answer
138 views

Nash equilibrium for Bertrand Model with Spatial Differentiation

Consider a town with consumers represented by a closed interval $[0,2]$ with the consumers spread continuously and uniformly. There are two stores, $A$ and $B$ who sell the same product at $p_A$ and $...
4
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84 views

Simultaneous consumption tax and subsidy

Suppose the government introduces a simultaneous tax and subsidy on a consumption good, which is produced under perfect competition. If the tax and the subsidy are equal, then there will be no ...
4
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0answers
44 views

Mechanics of Sterilized Intervention?

I'm looking to see if someone can help improve my understanding of sterilized intervention in FX markets. My intuition/understanding is: Assume that the domestic currency is depreciating, perhaps ...
4
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68 views

Existence of nash equilibria in finite games

I was going through the proof of existence of a Nash Equilibria in finite normal form games (Proof via Brouwer’s theorem) and got a question regarding the requirement of finiteness for the number of ...
4
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1answer
69 views

Negative Inflation, AS/AD framework, What Graph to use?

My macroeconomic homework contains the question below, and I'm not sure what graphs we're suppose to use to solve it. I believe I can answer the whole question using the IS-MP Diagram, but do I need ...
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0answers
32 views

Max Likelihood Estimators of a stable Gaussian VAR$(p)$ process. Are the Lutkepohl formulas correct?

In «New Introduction to Multiple Time Series», page 90, we have the following formulas for the ML estimators of a stable Gaussian VAR$(p)$ process: where $\tilde \alpha = vec(\tilde A_1,...,\tilde ...
4
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1answer
98 views

Insignificant Interaction effect in applied econometrics (multinomial logit regression)

I'm currently writing my master's thesis where I'm applying a multinomial logit regression with interactions effect. The model I'm using is $$ P(y=j) = exp(xb_j)/(1+∑exp(xb_h)) $$ where $$ xb_j =...
4
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116 views

Understanding the Diewertt Cost Function

The Diewert cost function (as described in Microeconomic Analysis by Hal Varian 3rd Edition) takes the form of: $$c(w,y)=y\sum_{i=1}^k\sum_{j=1}^kb_{ij}\sqrt{w_iw_j}$$ Varian goes on to say (page ...
4
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40 views

Economic valuation of green spaces using GIS

I was wondering if there are any standard methods that are employed to obtain insight of the economic value of tree cover in a particular area. I assumed using negative difference vegetation index ...
4
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204 views

Why is the symmetric grim trigger not a Nash?

Consider the stage game: Let $\delta\in(0,1)$ be the discount factor. Let $G$ be the symmetric grim trigger strategy profile. The payoffs are then $$E_{A}(G) = E_{B}(G) = \sum_{i=0}^{\infty}3\delta^{...
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57 views

Estimating Job Vacancy rate empirically

I'm currently reading up on matching models in terms of their ability to describe frictional unemployment, they generally follow a cobb-douglas form. $$M(u,v)=m=\mu u^\alpha v^{1-\alpha}$$ Where $M(...
4
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0answers
23 views

How did “excess liquidity” in the US contribute to the 2008 crash?

Here I'm using "excess liquidity" not in reference to monetary policy, but to the concentration of capital at the top in regard to private citizens. This excess liquidity, for which the tax cuts in ...
4
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0answers
216 views

How could the Roman sestertii/sesterces be converted into modern terms (say 2017 US$)?

Of course, the value of the sesterti must itself have fluctuated over the centuries it was in use. And so if I must narrow it down, I am particularly interested in its value during the time of ...
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61 views

How to econometrically identify perfect complements in production?

The production $$f(x_i,...,x_n)=\min\{x_i,...,x_n\}$$ is pretty straight forward and usually with smaller size data sets and can usually be picked up on rather quickly in an intuitive sense. ...
4
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129 views

Does a determinant ever have its own interpretation in economics?

I know there are applications of determinants in economics to compute equilibrium, aide in identifying profit maximisation/cost minimisation and in calculating elasticity of substitution. However, is ...
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196 views

Optimal Fight Purse and Boxing Strategies

The following is all public information available to all the players in this scenario. The General Setup In the aftermath of the infamous race between the tortoise and the hare, the salty hare went ...
4
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0answers
34 views

VCG mechanism with a minimum payment threshold

Suppose that we want to find a socially-optimal allocation in the following setting: There are $n$ firms and $m$ workers. Each firm $i$ needs one worker and has value $v_i$ for having a worker (any ...
4
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1answer
173 views

Can PPP adjusted values be compared over time?

I'm a little baffled about this: Let's say I want to compare the average income of 2 countries, A and B. Of course I'm interested in the real income so I adjust to PPP using the big mac index of that ...
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344 views

Equilibrium Uniqueness in a General Equilibrium Framework

I was wondering if anyone had any insight into the conditions that lead to a unique equilibrium in an exchange economy under a general equilibrium framework. More specifically, I know that the two "...
4
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210 views

Why are inventions inevitably correlated with imperfect competition?

Romer (1990) elaborates the incompatibility of nonrival inputs with constant returns to scale: If a production function depends on rival and nonrival inputs and both inputs are productive, then the ...
4
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0answers
108 views

Principal's beliefs in a repeated moral hazard problem

I have a question about models of repeated principal-agent models. There is this famous piece by Bengt Holmstrom: Moral hazard and observability, 1979, The Bell Journal of Economics. It presents the ...
4
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73 views

References on mathematically rigorous general equilibrium theories

I'm looking for a relatively recent survey on the state of the art for mathematical general equilibrium. I'm especially interested in questions of uniqueness, stability and dynamics. (I'm planing on ...
4
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152 views

Did a similar property boom take place in another country or throughout history like we have seen in London? If so how did it effect the economy?

The London property market has seen a sharp increase in the average house price. If we go back to the 70's the average UK and average London price were almost the same, however since than the gap has ...
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0answers
122 views

Regional disaggregation of a national input-output table

I am trying to disaggregate a "national" input-output table into three regions using Simple Location Quotients (SLQs) and RAS balancing. In particular, I'm trying to use the "Two region logic with ...
4
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185 views

Dynamic demand model in many good competitive markets and price optimization

This is a question about demand models, price optimization, dynamic pricing, big data, online learning, so I will cross-post in other communities. $\mathbf{Background}$ I am interested in dynamic ...
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0answers
64 views

Don't let me take the last bit

I believe everyone has experienced something like the following once in her or his life : There is a cake on the table and three people to share it. The three people each eat a quarter of the cake. ...
4
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0answers
162 views

Social Choice: from Independence axiom to Mixture symmetry axiom

Harsanyi's Utilitarian theorems' has been criticized by Diamond Cardinal Welfare, Individualistic Ethics, and Interpersonal Comparison of Utilities and others that, it is the morally unacceptable for ...
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0answers
61 views

Segal (2000) question about utility opportunity set

I am reading a JPE paper "Let's agree all dictatorship are equally bad" from Uzi Segal (2000). I have a small problem with this paper. We have the following Utility Opportunity Set (UOS): $$ S(w)=\{...
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948 views

Corner Solutions for Pareto Efficiency

I have been reviewing calculations to find walrasian equilibrium and pareto efficient allocations. Assume we are in an environment with two consumers, $A$ and $B$, and two goods, $x$ and $y$. From ...
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46 views

Taking a mechanism as given, what goal functions can we implement?

Let $\theta_i$ be $i$'s private information about the state of the world, $\theta \in \Theta$, where $\theta = \times_i \theta_i$. Each agent reports $\hat{\theta_i}$ to a social planner, so that $\...
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0answers
29 views

Estimates of the global STEM workforce?

I am looking for any recent estimates of the global STEM workforce (STEM = Science Technology Engineering Mathematics, and ideally includes software engineers). Time series data would be even better, ...
4
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75 views

R reproducible example, restrictions on cointegrating equations

The code given below estimates a VEC model with 4 cointegrating vectors. It is a reproducible code, so just copy and paste into your R console (or script editor). ...
4
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0answers
51 views

Test data for repeat sales indices

I'm interested in calculating a repeat sales index like that of Case and Shiller (1987) or Bailey, Muth and Nourse (1963). While I believe I have a handle on the econometrics, to test my ...
4
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0answers
76 views

Why is poverty worse in larger cities?

In inner cities in the US there is more poverty (as a proportion of the population) than in mid-sized cities or small towns. Do we have a definitive answer as to why this is?
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231 views

Explanation of paper's econometric assumptions

The authors of this paper (http://andrewleigh.org/pdf/GunBuyback_Panel.pdf) appear to be essentially regressing the change in the death rate to the change in guns from a gun buy back in Australia, at ...
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4k views

Difference between embodied and commanded labor in the Labor Theory of Value?

Could the difference between "labor embodied" (production cost in labor value) and "labor commanded" (selling price in labor value) as described in the labor theory of value be attributable to the ...

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