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1answer
32 views

When will the reserves be exhausted?

A rough estimate of the oil and gas reserves in some country at the beginning of 2010 was 15 billion tons. production that year was approximately 250 million tons. when will the reserves be exhausted ...
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1answer
36 views

What would be the shape of the Indifference curve with slope 1/xy? [closed]

Let the utility function be: $U(x,y) = \log x +y^2$. In this case, the MRS is coming out to be $\frac{1}{2xy}$. Thus, how will the shape look like?
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0answers
26 views

Data for income distributions

Knowing the average income per capita or the median income is a rather poor economical indicator of a country, even when given in PPP\$. Knowing the (dimension-less) Gini index is somehow better, but ...
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1answer
68 views

Expected Utility and Jensen's Inequality

Consider two random variables (costs and valuations) distributed $v\backsim G(.)$ and $c \backsim F(.)$ with pdfs $g(.)$ and $f(.)$. Let the supports of $c$ and $v$ be $[x,y]$. Let $x<a=E(v)<b&...
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0answers
28 views

Heckscher-Ohlin with non homothetic preferences [duplicate]

Can someone tell me how I can show with an example that the Heckscher-Ohlin result does not necessarily hold when preferences are not homothetic. I was asked if it similar as a case in which the ...
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0answers
45 views

Heckscher-Ohlin with heterogeneous preferences

could someone really help me out I would need to show a situation in which the Heckscher-Ohlin result does not necessarily hold when preferences are heterogeneous. Does someone have an idea how I ...
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1answer
53 views

how to explain the term “Compensated law of demand” in a plain way?

The term “compensated law of demand” I met in advanced microeconomics textbook, which appeared in “revealed Preference “
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0answers
17 views

Markov Switching Models CHP Test in Hamilton's paper

In Hamilton's paper "What is real about business cycles?" (2005) I have three questions: How do we calculate $C(p; \theta)$ on page 451 if we do not know "nuisance" parameter values of $p$? What was ...
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2answers
20 views

Merging Panel data with two different splits. Is it possible?

I have two data frames with panel data. The first contains data on companies on a yearly basis. The layout is as below: ...
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0answers
24 views

Why hipothesis of perfect competition market implies fixed price of a product in every transaction?

My book says that from the axioms of perfect competition follows that the price is fixed in every transaction but it doesn't specify in which way it is possible to prove it. Besides, are all the ...
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1answer
75 views

Econometrics: why the i.i.d assumption and weak exogeneity assumption imply strict exogeneity?

The proposition is from lecture notes of advanced econometrics of Yongmiao Hong: A1: $\{Y_t,X_t'\}_{t=1}^n$ is an i.i.d. random sample. A2: $E(\varepsilon_t|X_t)=0$ almost surely with $E(\...
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0answers
11 views

Pricing Cross-Side Platform Mediated Markets

I have a question regarding the optimal pricing strategy for cross-side Platform Mediated Markets. Suppose we have two categories A and B, 100 potential customers each. How do I derive the optimal ...
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0answers
32 views

Deflation and Wealth Inequality

I've just seen an article where the author states that deflation has the possibility of reducing wealth inequality. His rationale is as follows: When deflation occurs, the prices of assets falls (he ...
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0answers
14 views

Why is the state variable in Brock-Mirman model bounded above?

as a beginner in macro, I'm trying to understand the Brock-Mirman model for one of my assignments and I am told (in the assignment) that there is a $k^*$ such that k is bounded. From the production ...
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0answers
24 views

“Supply creates its own demand. Only by consistently supplying it can we hope to increase the demand for the substantive over the superficial”

Keynes has disapproved the say's law "supply creates its own demand" but I want to know if there is any empirical evidence that this law doesn't hold true? Theoretically, keynes successfully ...
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0answers
37 views

Purchasing Power Parity and Baskets of Goods

On the exact definition and understanding of "purchasing power parity" it depends what it means when the World Bank defines the “extremely poor” people of the world as those who are currently ...
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0answers
32 views

calculate magnitude of a recession

I'm doing an exercise from Blanchard Macroeconomics where I'm, apart from other things, asked to calculate the severity of recessions in the US since 1960. The data on the webpage that's referenced is ...
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0answers
26 views

Homothetic preferences linear in income [duplicate]

How to prove that $x(p,I)=I \cdot x(p,1)$? I would favor an argument based on showing that these are the $argmax$ to different problems and they coincide rather than using the fact that the MRS are ...
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0answers
11 views

Where to find series of capital-output ratio for the US?

While the capital-output ratio is widely used in Macroeconomics as a target in calibration, it is usually just set to be equal to 3, without specifying the data source nor the methodology used to ...
0
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1answer
20 views

Are there examples of strategies where a combination of third degree pricing and two-part tariffs are used together?

Of course, I am only interested in instances where the combination of the two strategies ultimately lead to higher profits than if the monopolistic firm had used only one.
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1answer
41 views

How to change the observation for the first lag in an AR(1) model?

I run a simple AR(1) model in my analysis using ols: ar.ols(df$y, order.max = 1)) However, I work with generations as my unit of analysis. Therefore, the first ...
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0answers
18 views

Do any social welfare functionals meet all of Arrow’s conditions, plus absolute-scale full-comparability, but no other informational condition?

I’ve been trying to think of social welfare functionals which meet all of Arrow’s conditions–––unrestricted domain, weak Pareto, independence of irrelevant utilities, and non-dictatorship (see this ...
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0answers
20 views

Would households rather live in a world with or without the unemployment insurance?

Would households rather live in a world with or without the unemployment insurance? What is a good example of world in which unemployment insurance is seen as a benefit, and not a hindrance?
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1answer
30 views

Banks and Stock Market in Germany

My question is: ** Why does Germany have such a small stock market, but very large powerful banks? **
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0answers
18 views

Effect of Agricultural products on GDP/capita

What is the best way to regress this effect. I would like to show the effect of the production of different agricultural products (Rice, maize, wheat etc..) have on the gdp of a country (India in this ...
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0answers
23 views

Incomplete markets vs complete markets in permanent income model

Consider the standard permanent income model: $$\max_{\{c_t\}_{t=0}^\infty, \{b_{t+1}\}_{t=0}^\infty} \mathbb{E}_0 \left\{ \sum_{t=0}^\infty \beta^t u(c_t)\right\}$$ s.t. $$c_t + b_t = R^{-1} b_{t+1} +...
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0answers
43 views

How to prove that the walrasian demand function $x(p,w)$ is continuous in $p$ and $w$?

If the utility function $u$ is continuous and satisfies local nonsatiation, and walrasian demand function $x(p, w)$ is a function (i.e. always map to only single values), how to prove that $x(p,w)$ is ...
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0answers
10 views

Overlapping Generations Model Pension System Question

Part 1 Pension System OLG Model with pension system: Each individual lives up to two periods. The surviving probability at period 2 is p. At period 1, the young household consumes c1, saves s1, and ...
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0answers
12 views

Economic Regulation using Price caps

Based on my understanding both the equations are price caps, for firm A real decrease must be 8% and for B real increase must be 1%. But I don't understand how will I choose between the 2 as an ...
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0answers
38 views

Interpretation of coefficients in ECM for consumption

Say that we are regressing consumption $C_t$ on time $Y_t$. Furthermore, suppose that both series are $I(1)$ and are co-integrated. Given this, we set up the error correction model (ECM) as follows: $...
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0answers
18 views

Kreps Porteus Certainty Equivalent Intuition

In Epstein-Zin recursive preferences, the Kreps-Porteus certainty equivalent is defined by \begin{equation} \mathcal{R}_t(V_{t+1}) = (\mathbb{E}_t V_{t+1}^{1 - \gamma})^{1 /(1 - \gamma)}. \end{...
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votes
1answer
71 views

Check if a utility function represents a monotone preference

Given a function $u(x_1, x_2) = x_1 +x_2 + \min(2x_1, x_2)$, how do we mathematically prove that it monotonic or not? Is there is a general algebraic technique to show monotonicity of suchlike ...
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0answers
14 views

Measuring economic growth in GDP (in USD) vs Real GDP (domestic currency)

I've noticed that a lot of data online seems to measure a non-US country in USD. This seems odd to me, because doesn't that mean that US fiscal/monetary policies, politics, and economics would affect ...
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0answers
15 views

Numerical Solution Using Excel about optimal consumption of households

I'm not sure how to solve this problem. I'm given the discount factor, interest rate, probability of high income shock, and various income shock sizes that I need to use to compute optimal consumption....
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2answers
113 views

Algebraic approach towards convexity

I have a function: $ u(x) = x_{1} + x_{2} + \min\{x_{1}, x_{2}\}$. How do we algebraically show if it's convex or not? Also, what would be the general way to show if any given function is convex.
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0answers
17 views

What insights can be gleaned from examining inflation spreads?

I was reading through some econ articles and there was much discussion on various measures of inflation. Though I'm not narrowing the scope to this article, I'll include the excerpt here for context: ...
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0answers
13 views

Would deflation further stress the Federal Government's Balance Sheet? Would this put in peril Debt payments and Social Security benefits?

I would like to know if deflation would represent a risk to Debt (bond) payments and Social Security benefits. To my understanding, Social Security is only indexed when there is positive inflation. ...
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0answers
20 views

Private Income Sharing

How could one set up a shared income system among a small group - something similar to basic income, only without government involvement and funded by those participating. Perhaps set something up ...
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0answers
28 views

Analyse the influence of interior demand and trade on exports

I would like to have a primer on how the current slowdown of the German economy is affecting its partners, for instance France, Spain and Italy. More specifically, if it goes mainly through Germany's ...
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2answers
77 views

Aggregating individual demand curves

I'm aggregating individual demand curves but the demand curves are inelastic or elastic. Say, 20 people have an elastic demand for a product at price of $2. Another 40 people have an elastic demand ...
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0answers
30 views

income effect and substitution effect

Question:Assume no non-labor income, Alice's labor supply function is $h(w) =\frac{w}{16}$. Her preferences are given by $u(c, l) =\sqrt{c}+3l$. When the wage rate increases, Alice's labor supply ...
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0answers
13 views

Comparative cost of public transport

Is there a good database comparing the cost of public transport? I found this one and this one but they cite no sources so have no idea how they were constructed. Also, it is for a given period. ...
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0answers
134 views

Evolutionary stable strategies

I am new to evolutionary game theory so I can't figure out whether I'm looking at things correctly. I have the following payoff matrix: $$ A = \begin{matrix} 3 & 0 \\ 5 & 1 \end{matrix} $$ ...
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1answer
35 views

Running a regression to avoid multicollinearity

I have the following regression (pooled OLS; panel data): Y Treated Shock Shock*Treated {with industry and year fixed effects} Y is a continuous variable, “...
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0answers
9 views

Query regarding derivation of aggregate demand curve

What is the difference between AD curve derive from is-lm model and quantity theory of money.
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0answers
19 views

Regression estimators for an equation with three independent variables

I'm trying to find the estimators for a regression equation with three independent variables: $y_i = \beta_0 + \beta_1 x_{1i} + \beta_2 x_{2i} + \beta_3 x_{3i} + \mu_i$ What is the betas' estimator, ...
0
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1answer
23 views

Perfectly elastic supply

How would you algebraically write a perfectly elastic supply? Will it be infinite at price = 4? (The choice of the number 4 is completely arbitrary)
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1answer
23 views

Percentage/proportion of published papers with DSGE models

I remember reading a few years back an article that showed an interesting graphic with the percentage/proportion of published papers with DSGE models across time. I've tried searching, but I get so ...
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0answers
25 views

Balanced Growth Path Calculation

Consider an extension of Alesina - Rodrik paper 'Distributive politics and economic growth' (1994). Instead of wealth taxation, impose a labor income taxation with a slight change in the model ...
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0answers
23 views

Did Eisenhower, and his economic team, use a Keynesian economic policy, or a modified form, or not at all?

There is a big debate about this in my graduate political/economic history class. Any input will be appreciated, as well as suggested books or peer-reviewed journal articles. Thank you.

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