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Questions tagged [macroeconomics]

Macroeconomics is a branch of economics dealing with the aggregate economy as a whole, rather than individual markets.

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What is low unemployment and low gdp growth symptomatic of?

Obviously there are caveats with GDP, if you build a bridge to nowhere it counts as GDP, but if you mow your own lawn or volunteer to pick up garbage it doesn't count, and so forth and so on. However, ...
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+100

Is the concept of limited liability in corporate law beneficial to economy

The concept of limited liability in corporate law is widespread all over the world. Limited liability means, that owners of a company can only loose their capital invested into the company - the ...
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2answers
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Why doesn't the trade balance equation take into account the value of products sold by the U.S.?

$$NX ≡ (S-I) + (T-G)$$ Read this as “the trade balance (net exports) is identical to the sum of net savings (savings minus investment) and the government’s budget surplus or deficit (taxes minus ...
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0answers
16 views

What are the risks of investing with Etoro?

I have seen advertisements on Etoro on YouTube a couple of times. It advertises itself as a trading platform that allows you to copy the investment behavior of professional investors, supposedly to ...
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1answer
11 views

Purchasing power of currency abroad

Say you have two countries A and B. Suppose we have a situation where country A's currency can purchase much more in country B than the other way round. What causes this phenomenen? Is it possible ...
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29 views

Does migration exacerbate (albeit delay) the problem of aging, economically-inactive populations in Western societies?

As a layman, I've always understood that there is a general consensus amongst economists that "immigration is economically beneficial" to rich Western countries (like Britain) who have aging ...
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19 views

Difference between shocks, innovations and disturbances

In macroeconomics and macroeconomic models, shocks, innovations, and disturbances are very prominent and often mentioned in the literature. In general, is there a difference between macroeconomic ...
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1answer
20 views

How does investment have a negative impact on the current account (trade balance)?

NX ≡ (S-I) + (T-G) Read this as “the trade balance (net exports) is identical to the sum of net savings (savings minus investment) and the government’s ...
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0answers
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Why does inequality fall in recession in business cycles in first world nations

See title. Why does inequality always fall in recessions? For example, every recession. Is this a problem for Liberal ideology? See title
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1answer
20 views

Does diminishing government spending lead to a reduction in trade deficit?

NX ≡ (S-I) + (T-G) Read this as “the trade balance (net exports) is identical to the sum of net savings (savings minus investment) and the government’s budget surplus or deficit (taxes minus ...
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1answer
19 views

Has there been an applications of search and matching theory in the Neoclassical Growth Model?

Specifically, I am looking for the standard neoclassical growth model, but the labour decision is based on either search or matching theory instead of a Walrasian labour mechanism.
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Typical Growth Model Social Planner Problem

Consider the following social planner's problem, hand-waving the usual assumptions on the preference, technology, endowment, and inelastic supply of labor: $V(k_o^*)= max_{\{c_t,k_{t+1}\}_{t=0}^{\...
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3answers
50 views

What is unknown in Bellman Equation?

\begin{align} V(W)=\max\limits_{W'\in[0,W]}\qquad& u(W-W')+\beta V(W')\qquad\forall W \end{align} $\textbf{My Question}$: Why is the unknown in the Bellman equation $V(W)$ itself? Isn't the ...
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What should be the elasticity of substitution in a competitive exam in order to give the students incentives to work to exhaustion and choose wisely? [on hold]

A power mean https://en.wikipedia.org/wiki/Generalized_mean Has an elasticity of substitution always equal to $\dfrac{1}{1 - p}$ Leontief averaging of grades seems too punishing and counter ...
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1answer
164 views

Can anyone give me some reference on Mundell-Fleming model estimated empirically?

In virtually all texts of intermediate Macroeconomics$^1$ the Mundell-Fleming model is taught. But his estimate is not addressed in the classical texts of econometrics. I've always wanted to read some ...
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Remittance: Migrant workers sending money to their families

I wonder about the role of migrant workers in a general economic context. Migrant working appears all over the world and on many time and space scales: around cities (e.g. commuters) inside ...
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15 views

Optimal fiscal transfer rate

I'm aware of the theory of optimal currency areas, and that both the Euro and the US dollar* are technically not optimal. This would tend to cause their optimal monetary policy to diverge over time. ...
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31 views

discount factor, function, and rate

Consider an exponential discount factor $\delta\in(0,1)$. Similarly, consider an exponential discount $\textit{function}$: $g(t)=\delta^t$. Then, is defining the discount $\textit{rate}$ as below a ...
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1answer
73 views

Does scarcity apply only to commodities?

I feel like Wikipedia may be misleading me in a subtle or egregious way. The very first line of Scarcity is: "Scarcity is the limited availability of a commodity..." It does, of course, helpfully ...
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1answer
41 views

Dixit Stiglitz price index FOC?

In the solution to the problem below provided by my professor he applies a first order condition to the lagrangian for ct, getting pt for the partial derivative of the argument "$\frac{d}{dc_t(t)} \...
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21 views

Growth Model Choices

In a typical macro growth model, a set-up usually concerns with the following trade-offs or choices to be made in each $t$: (1) $c_t$ v. $c_{t+1}$, consumption today versus tomorrow. (2) $c_t$ v. $1-...
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1answer
35 views

Stokey, Lucas (1989) p 11 FOC

My Lagrangian is: $L=\sum\limits_{t=0}^T \beta^tU(f(k_t)-k_{t+1})+\sum\limits_{t=0}^T\lambda_t(f(k_t)-k_{t+1}).$ My FOC for $[k_{t+1}]$ is: $\beta^tU'(f(k_t)-k_{t_1}^*)(-1)-\lambda_t^*+\beta^{t+1}U'...
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Milton Friedman and Simon Sinek [closed]

In Simon Sinek's "Leaders Eat Last" a book on effective leadership within organizations, Sinek is critical of the “shareholder value” theory of business management, which he argues took hold in the ...
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2answers
35 views

Bond prices and Trade deficit

Why does the narrowing of trade deficit cause an increase in bond prices? I do understand that narrowing of trade deficit leads to narrowing of capital account surplus. Also, investor confidence ...
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1answer
18 views

Measure of New Firms Born in Each Period

In an economy with stochastic overlapping generations of firms, how do we easily understand the measure of new firms born? The set-up states: "In each period, measure $\rho\in(0,1)$ of new firms are ...
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1answer
20 views

Puzzle: Fairness of consumer price indices

I have learned a bit how the consumer price index (= inflation rate) in Germany is calculated. It's a complex process, which takes into account a lot of measured values (mainly specific prices for ...
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1answer
23 views

exchange rate calculation [on hold]

Suppose you have one U.S. dollar with which you wish to purchase U.K. (one-year) bonds in period t. Which of the following expressions represents the amount of U.K. pounds you will receive in one year ...
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1answer
62 views

Why is an inflation rate of 2% optimal? [duplicate]

Learning from different sources I got the impression that the European Central Bank targets at a inflation rate of 2% (not sure along which time scale actually). Can it be explained by general ...
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0answers
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Why people respond to surveys like that of Purchasing Managers' Index?

A lot of data, including indexes, rely on surveys. For example, Purchasing Managers' Index. (1) Why people answer these surveys (is there any benefit)? (2) How to make sure the data is correct? What ...
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0answers
10 views

Real Business Cycle model and demand shock

Suppose there is an increase in demand in a real business cycle set-up. Since aggregate supply is fixed and prices are fully flexible, won't that leave output unchanged as prices adjust to clear the ...
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1answer
35 views

Is there any mainstream criticism of the Benes-Kumhof conclusion that the Chicago Plan would improve the US economy nowadays?

A 2012 IMF Working paper by Benes and Kumhof "The Chicago Plan Revisited " has this abstract, finding in favor of the Chicago Plan an all counts basically: At the height of the Great Depression a ...
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The law of supply and demand - How does it work?

I've learned what the principle of supply and demand says, and would paraphrase it like this: The price of a good is at equilibrium when supply and demand are equal. Or with other words: The ...
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Is the New Keynesian Phillips Curve a supply curve?

In New Keynesian models, the Phillips curve typically takes the form: $\pi_t=\beta E_t(\pi_{t+1})+\kappa y_t$ Here, $\pi_t$ refers to inflation in period $t$, and $y_t$ refers to output. Would it ...
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2answers
48 views

The TYPICAL law of motion of capital

Consider a typical macro firm set-up where the capital can be produced from output goods using a linear technology. It costs some X units of output good to make a unit of the capital, and the capital ...
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3answers
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How important are capital requirements for controlling broad money supply?

Interestingly, the Bank of England (BoE) is one of the few central banks that does not have reserve requirements. Canada, the UK, New Zealand, Australia, Sweden and Hong Kong have no reserve ...
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1answer
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what was the world's wealth in 2015?

I was reading an article from 2015 stating that 1% of the world has half of the world wealth. They have several figures such as the world's billionaries have around 7 trillions dollars or the global ...
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4answers
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What are the economic ramifications of rent control?

What effect do they have on renters? Landlords? Are there examples of rent control working, improving living conditions for renters? I.e. What are the main arguments for/against rent control (...
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4answers
164 views

(Macro)econometrics book recommendation

I am looking for good econometrics books for self-study. I am strongly interested in macroeconomics and monetary economics/policy, so that I try to build up knowledge in econometrics especially for ...
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1answer
258 views

The reality of the multiplier effect

I was just reading my economics notes when I stumbled upon this paragraph: Singapore has a very open economy and imports most of its inputs and necessities, which means that MPM is likely to be ...
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2answers
141 views

The economics of a “no deal” Brexit

A "no deal" Brexit is presented in negative terms. In such a scenario the UK would set tariff schedules in line with trade strategy and protect domestic industry/agriculture with tariff rate quotas. ...
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0answers
22 views

log linearization around steady state (price dynamics)

I'm stuck with a derivation from Gali's book. In the version 2008, I can't get eq. (7) from chapter 3. All is ok until the following: $$ (1-\epsilon)\log\pi_{t}=\log(\theta+(1-\theta)\exp[(1-\...
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2answers
37 views

What happened to the money multiplier after QE?

QE meant that the monetary base increased dramatically, yet we don't see such a large reaction in money supply (I am thinking of M4 for the UK) nor in inflation. Why is this money not being lent out? ...
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27 views

Would apprenticeships improve the economy long term?

Evening my name is Nick and I am a high school student from Fairfield California and I’m 17, my super hyper theatrical question is about a substitute to college in order to create more efficiency in ...
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1answer
118 views

If Trump's economic policies are destructive, why is the US economy so healthy?

One doesn't have to look very hard to find suggestions that Trump's economic policies are damaging to the US economy. Example, example, example, example. In fact I barely recall reading any articles ...
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What is meant by “resource base” in this sentence?

I read a sentence in a chapter in my book which was: The emphasis on developing a resource base also meant that export-oriented growth was limited. I googled the for the term "resource view". But ...
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Do countries have an obligation to match their savings and consumption rate with that of the U.S.?

https://www.barrons.com/articles/europe-is-now-a-bigger-trade-villain-than-china-51558118723 The above articles state that trade imbalances are a bad thing and that if a government doesn't enact ...
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How can I obtain State level Investment in the US?

How can I obtain investment level data by state in the US? I want to analyse how Public investment vs Private Investment responded to TFP shocks on a state level, so I am looking for Gross Private ...
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1answer
44 views

Macroeconomics two period model

This is the problem I've been given. Assume the consumers’preference over current and future consumption is given by $U(c,c')=c^\frac{1}{2}*c'^\frac{1}{2}$. Further assume there is no government. 1) ...
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0answers
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Steady State in Korinek and Simsek (2014)

I was reading a paper by Korinek and Simsek (published in the AER in 2016). The version I cite is an IMF Working paper from 2014. The authors essentially describe an economy which has two types of ...
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1answer
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What is the proper term for “contraction economics?”

By "contraction economics" I mean theories and work based on the assumption that the population of a country will decline over time. An example might be a paper looking at the housing market for ...