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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14
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4answers
966 views

What benefits does Bitcoin (i.e. cryptocurrency) offer?

I really, really like moderate inflation. I live in Sweden where the interest rates just went negative because we are on the brink of deflation, and the rate of inflation we have now is far too low. ...
12
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2answers
2k views

Why in most macro models technology is labor-augmenting?

Take Romer's advanced macro book as reference. In it the Solow model,the Ramsey model and the Diamond OLG all contain the fundamental $A_t$ variable representing technological progress. In all these ...
6
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3answers
630 views

Solution Method for Infinite-Horizon Maximization Problem

Full disclosure: this problem was part of a final exam that none of our class could really solve definitively. Below the general form is a specific utility function we worked with that I'll try to ...
4
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3answers
471 views

Literature Recommendation: Advanced Undergraduate Economics

I come from a strong quantitative background and am going to law school in the fall. I'm interested in financial product regulation and competition law. I have taken an introductory course in ...
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?
4
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2answers
1k views

Steady state Solow model with exogenous technological change

Consider the following question: So, assume the standard function for production: $$Y_t = A_t K^\alpha_tL^{1-\alpha}$$ where $L$ is fixed. Then, the growth rate of output is: $$g_Y \approx g_A + ...
3
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1answer
427 views

Is a 'Brexit' really that bad?

There seems to be a lot of fear that a Brexit will have a very bad impact on both the European and the British economy. Why would this be, does a Brexit imply that there will be less trade between EU-...
3
votes
1answer
220 views

Have social accounting matrices and input output models fallen out of fashion? if so, why?

My perception may be uninformed but 'worldwide' I believe collection of official data on input output tables of economies dont seem to be keeping up with the times. Im aware that compilation of such ...
2
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1answer
146 views

Where do I find the US GDP growth on FRED? [closed]

I have never used FRED before. I need to locate the annual growth rate in Real GDP to do some data analysis for my intro macro class. The TA and the Prof were utterly unhelpful and I'm frankly lost. ...
9
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3answers
1k views

In log-linearized New Keynesian model, what do $Y$, $Y_t$, $y_t$ actually mean?

This may be a weird question, but I am unfortunately confused by terms. Let us suppose log-linearized New Keynesian model as suggested by Gali here: http://crei.cat/people/gali/pdf_files/monograph/...
9
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1answer
12k views

Lagrangian: How to understand the No-Ponzi Condition

In http://www.uni-hamburg.de/fachbereiche-einrichtungen/fb03/iwwt/makro/slides2.pdf page 8, lagrangian is written as follow: $$L = E_0 \sum_{t=0}^{\infty}\beta^t\{U(C_t,N_t) + \lambda_t(P_tC_t + ...
7
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1answer
325 views

Why lower the deposit rate if it is already negative?

The European Central Bank (ECB) has been lowering the interest rate on its deposit facility, first to -0.1% in June 2014, then to -0.2% in September and eventually to -0.3% in December 2015. But what ...
6
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1answer
280 views

Present value of a payment

Suppose I've just won 1'000'000 dollars in a game show. At the end of the program they tell me that they will pay me the prize as following: they will deposit in my bank 50'000 dollars every year for ...
6
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3answers
1k views

Has the natural rate of unemployment decreased with modern travel and the Internet?

The natural rate of unemployment is a combination of structural unemployment and frictional unemployment. Structural unemployment is caused by a surplus of labor at a given wage in a given area. ...
6
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2answers
138 views

Who regulates the balancing of the books for commercial banks? How? Is it public information?

I've just read Money Creation in the Modern Economy, an article published by the Bank of England. This article brings about a lot of questions in my mind. This article talks about money being created ...
6
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2answers
1k views

CES production function estimation

Introduction There are different ways of estimating the parameters of a production function. For example, single-equation and system equation techniques are both possible. Another difference among ...
5
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1answer
115 views

Is there a reproducibility crisis in Economics?

I am an undergraduate economics student, and came across this paper by John Ionnadis on 'The Power of Bias in Economics Research'. the findings are quite bleak. https://academic.oup.com/ej/article/...
5
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2answers
2k views

Meaning of Additively Separable, Linear in X

Often I see both in micro and macro two common terminology : Additively separable. Linear in price or linear in probability. I understand exactly as they sound by looking at the functional form ...
4
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1answer
259 views

Efficient Market Hypothesis and constant ex-ante real interest rates?

According to Hayashi's Econometrics (page 151), efficient market hypothesis is a joint hypothesis combining: Rational expectations $\rightarrow$ expected inflation$= \mathbb{E}(\pi_{t+1}|I_t)$, where ...
4
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1answer
478 views

Endogenous Growth: Balanced Growth Path with CRRA Utility

I've got a model of endogenous growth due to spillovers. $\textbf{Model:}$ $$K_t=\frac{1}{n}\sum_{t=1}^nk_t$$ In this model, $k_t$ is chosen by agents, and $K_t=\bar{k}_t$ (the average of all $k_t$). ...
4
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1answer
182 views

Negative interest rates - Monetary Policy

(This is 1st part of series of questions under "Negative interest rates") I've happen to stumble on two articles, with some weeks, that the central bank(CB) of switzerland, due to Russia ruble crisis,...
3
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1answer
520 views

Why New Zealand dollar keeps falling against USD and other currencies?

New Zealand seems to have strong economy and governed well by the RBNZ. Agreed that recent decrease in the dairy prices globally has some negative effects on the economy. But with the large service ...
3
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3answers
82 views

Creation of Money - Hypothetical Situation

Imagine you sell me some consulting services. I don't have any cash, so I give you a $100 IOU instead. You now have a $100 Note Receivable on your Balance Sheet. ...
3
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1answer
491 views

Calculating Time to Balanced Growth Path

$\textbf{Model:}$ $$\underset{\{c_t,k_t\}}{max}\;\sum_{t=0}^\infty\beta^t\frac{c_t^{1-\gamma}}{1-\gamma}$$ $$s.t.\;c_t=Rk_{t-1}-k_t$$ $$c_t,k_t\geq0$$ At time $t$, $c_t$ is consumption and $k_{t-1}$ ...
3
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3answers
436 views

How to solve a linear forward-looking equation $x_t = \beta E_t[x_{t+1}] + k$ where $\lim_{t \to \infty} x_t = 0$ and $0<\beta < 1$?

How does one solve a linear forward-looking equation $x_t = \beta E_t[x_{t+1}] + k$ where $\lim_{t \to \infty} x_t = 0$ and constant $k,\beta \in \mathbb{R}$, $0<\beta <1$?
2
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1answer
105 views

How to relate real rate of return on capital to bond interest rate: Lagrangian

Suppose that household resource constrain equation is as follows: $$P_tC_t + Q_tB_t+ P_tI_t \leq W_tL_t+R_tK_t+B_{t-1}+D_t$$ where $P_t$ is price at time $t$, $Q_t$ is the price of one bond quantity, $...
1
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1answer
88 views

What could happen if a country changes their currency rate constantly?

Introduction Imagine this random country. "Yolistan", it is a new country that appeared after a war/revolution/independence/whatever. The currency it's the "Yolo" Yolistan needs to import resources ...
1
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0answers
169 views

Most important but untested theories in economics? [closed]

In the opinion of the economists here, what are some of the more important theories in economics that remain untested? By untested I mean theories that, though perhaps evaluated using empirical data, ...
0
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2answers
35 views

How does stock market drop affect the economy if it doesn't affect the corporations?

Sorry if it's a basic question. Suppose corporation ABC went through public offering many years ago. ABC retained 30% of the shares, and 70% are being traded. The very initial offering, ABC made ...
0
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1answer
327 views

Why does capital flight cause inflation?

Context: I was watching a video about Venezuela, and, it all started with capital flight due to poor confidence in the government. The government tried to stop it, and in the process it created a ...
0
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2answers
33 views

Capital flight and interest rates

I am currently reviewing some stuff on capital flight and self-fulfilling crises. In this scenario, investors generally think that a low availability of reserves could imply that the central bank ...
0
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1answer
24 views

Hep with total differentiation of an AD function [closed]

Is there anyone who can help me with a total differentiation exercize. I am starting with the following formula for AD: $$x=\mu ^{-1}(g+i+e)$$ Where $\mu$ is the Keynesian multiplier. And have to ...
13
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4answers
4k views

How does a national budget differ from a household budget?

We are often told by pundits that "Country X cannot spend more than they take in in revenue, because a house that makes A and spends B will always collapse if B>A". Essentially the siren calls of a ...
11
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2answers
242 views

Why plug deficits with bonds rather than printing money?

The UK is running a budget deficit £107 billion a year. Inflation is currently running at 1%. Given these facts, why do they plug the gap by selling debt rather than just creating the money to cover ...
9
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5answers
11k 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?
8
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3answers
1k views

Why can't countries print another country's currency?

Counterfeiting money is clearly a difficult thing for individuals, but surely a country should have no problems counterfeiting another country's currency. Why don't countries do it? For example, for ...
7
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1answer
152 views

Differing Inflation Rates for Separate Income Groups; Literature?

So here's a few ideas that have been floating around my head since undergraduate university. It seems that money owned by the highest net wealth owners is always moving around and making a return, but ...
7
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2answers
237 views

Are goods that are wasted counted into the GDP of a nation?

If x apples are produced in an economy, and only x - y are consumed (y apples get rotten at different stores in the country), is the value of these wasted apples considered as a part of GDP?
7
votes
1answer
239 views

What was happening in Madagascar during 1971-1996?

In the course of my research I have been examining these days macroeconomic time series for per capital household consumption, using the databank of the WorldBank. The unit of measure was constant ...
6
votes
1answer
292 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 ...
6
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3answers
281 views

Conventional Monetary Policy and Income Inequality

In almost every textbook, it's stated that monetary policy is preferred to fiscal policy, since the latter is more politically difficult to implement due to smaller consensus on its redistributive ...
6
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3answers
184 views

How wealthy are modern day humans compared to preindustrial times?

I would like to see a quantitative wealth comparison between the average human in a hunter gather or agrarian society to average human in the today's world. I'm mostly interested in how the discovery ...
6
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2answers
2k views

Is the economy a zero-sum game?

Theoretically speaking, if all the Earth's inhabitants were to save money and invest, is it possible for everybody to get, let's say, a 4% yearly return for everyone? Is the economy a zero sum game (...
5
votes
1answer
12k views

How does a cash deposit change the M1 measure of the money supply?

The question asks what is the immediate effect of the cash deposit on the M1 measure of money supply. The official answer is "There is no change in the M1 measure of the money supply. (Demand deposits ...
5
votes
1answer
124 views

What major monetary policy actions were taken during the Great Recession (2007-2009)?

What major monetary policy actions were taken during the Great Recession (2007-2009)? Quantitative easing and unconventional policy actions such as asset purchases and "forward guidance". I think I'm ...
5
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2answers
393 views

Limits to Quantitative Easing Programmes

I have been reading recently on the quantitative easing programmes by the ECB and the BOJ, see http://www.cnbc.com/2016/04/07/what-the-bank-of-japan-boj-will-do-now-that-negative-rates-have-...
5
votes
1answer
13k views

Do import tariffs tend to increase a country's exchange rate (if so, why)?

From Prof. Stiglitz' Vanity Fair article: How, one might ask, is this possible, given Trump’s rhetoric, his determination to move against China with a 45 percent tariff? There’s a global ...
5
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1answer
2k views

why is real wage divided by marginal product of labor often called real marginal cost?

As said in the title, why is real wage divided by marginal product of labor often called real marginal cost? In mathematical formula, $mc_t = (W_t/P_t)/MPN_t$ where $MPN_t$ refers to marginal product ...
5
votes
1answer
331 views

Economic impacts of a declining population

In the article “Japan’s population problem” in The Japan Time, Hugh Cortazzi write: Japanese leaders and Japanese people generally are well aware of their nation’s demographic challenges. The ...
4
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1answer
234 views

Why does falling global bond yields signal coming deflation?

This article suggests that, "Bond markets are signalling something very nasty coming down the road at us – an all encompassing, worldwide deflation. " I cannot understand why bond yields falling ...