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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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### Books for microeconomics and macroeconomics for selected topics

I am a mathematics undergraduate trying to self-learn some economics. I have no background in economics. I wish to know from which chapters of Hal Varian's "Intermediate Microeconomics" (7th edition) ...
261 views

### What major fiscal policy actions were taken during the Great Recession (2007-09)?

What major fiscal policy actions were taken during the Great Recession (2007-2009)?
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### Unlimited supply of national currency?

I was reading this article about Denmark central bank defending its currency peg: http://www.bloomberg.com/news/2015-01-22/denmark-cuts-key-deposit-rate-to-minus-0-35-to-drive-down-krone.html In it ...
123 views

### How can I solve for total money spent if I use a non-constant MPC?

Background Today in my macroeconomics class my teacher taught us three concepts. The first is very simple: consumption $c$ is a linear function of national income $y$. Mathematically, $$c = My + b$$...
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### Impact of Fiscal and Monetary Policy during Great Recession on U.S. Economic Performance

What major fiscal and monetary policy actions were taken during the Great Recession (2007-2009)? What impact did they have on U.S. economic performance? I understand how how the recession occurred in ...
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### Research on the link of QE and increased economic activity

Im looking for good literature of quantitative easing and the effects on economic actitivty. from a modelling perspective Any empirical research? What I am thinking of, is how much of an effect ...
279 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 ...
699 views

### What is Production Possibility Frontier (PPF) diagram drawn on consumption-leisure?

When explaining basic macroeconomics model involving consumption-leisure tradeoff, often diagram showing production possbility frontier (PPF) is drawn with leisure on x-axis and consumption on y-axis. ...
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### Macroeconomic formulas for global limited raw material economy exist?

Macroeconomics basic formulas are referring to a model in which the raw material are unlimited. Also the efficiency of production is a consequence of the pressure done by consumers (that buy the most ...
51k views

### What is the difference between intensive margin and extensive margin in labor economics?

What is the difference between intensive margin and extensive margin in labor economics, or general RBC model, where we talk about labor-hours supplied changing with extensive margin or intensive ...
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### What would happen if the entire world switched to the 4-day work week? [closed]

What would happen if the entire world switched to the 4-day work week? Specifically would someone's quality of life drop significantly in a developed or a non-developed country?
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### How can austerity and quantitative easing happen simultaniously?

As far as I can make out, in 2010 the UK government simultaneously started an austerity program which cut public spending, taking money out of the economy, while also enacting a quantitative easing ...
141 views

### Do countries invest in the country's own stock market?

For example can the government of the UK invest in some company with shares in the FTSE 100? Or can Russia take the opportunity now that the shares of oil companies are low to buy them?
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### Measuring Integrating Capital Market

There are several methods measuring integration capital market. What best to measure for integration capital market?
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### A general drought in the world, raises the total income that farmers receive?

I need to write 6-7 lines explaining why is the following statement true: ...
595 views

### What benefits do OPEC countries obtain by cutting oil supply?

It is unclear to a economic novice like me why OPEC is not cutting down production and raising oil prices. I have read several journalists commenting upon this on the internet but perhaps an economist ...
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 ...
394 views

### Liquidity trap and consumers' reaction to an increase in money supply

I've understood that when the nominal interest rate reaches the zero lower bound there is nothing that the monetary policy can do to increase the output level of a certain economy. Because $i=0$, no ...
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### Solving an OLG model, value function iteration vs. projection (chebyshev polynomial)

I can't decide between using value function iteration or projection on chebyshev polynomials. I'm inclined to use projection, however I need to compute (for welfare analysis) the value of the value ...
87 views

### For linear quadratic approximation of RBC model, why does matrix $P$ of value function $V = F^TPF$ has to be negative semi-definite matrix?

In http://www.compmacro.com/makoto/note/note_rbc_lq.pdf page 5, it is said that for value function $V = F^TPF$ (Bellman equation) $P$ has to be negative semi-definite matrix. Why does it have to be ...
284 views

### How is labor disutility modeled in Arrow-Debreu model?

In DSGE models, utility function contains labor disutility components. But I cannot not see how labor disutility is incorporated in Arrow-Debreu-Mackenzie model.
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### Would it be correct to use exchange rates of the biggest trading partners to the dollar as an explanatory variable?

I'm trying to study the relationship of general macro factors and their effect on credit in the private sector. The country in question has a fixed exchange regime with the dollar, would it be ...
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### Is special case of utility function in “Intertemporal Substitution in Macroeconomics” also a special case of a Ramsey growth model utility function?

So in RBC and Ramsey-derived utility function, the following is usually the form of utility: $$u(c,l) = c^{1-\sigma}(1 + \omega(l))$$ where $\omega(l)$ is arbitrary function of $l$, labor, that ...
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### The USA debt and the individual investor

There is a lot of hype about the national debt of the USA being incredibly large, and I wonder if this has any implications about an individual investor? I understand that the risk of having a large ...
130 views

### why is labor $h_t$ often average working time percentage of non-sleeping time in RBC?

Cobb-Douglas production is often given by $Y=AK^{\alpha}L^{1-\alpha}$, and $L$ is often just labor. But in RBC model, I notice that labor $h_t$ is restricted to $[0,1]$, and interpreted as working-...
121 views

### Does RBC models pin down equilibrium output, amount of labor and capital without initial condition?

In ordinary equilibrium models, we can pin down equilibrium quantity by supply-demand functions. Is this the same in RBC models? Can we pin down equilibrium output and amount of labor and capital ...
278 views

### How did reducing the employment gender gap impact the US economy?

Premise In the United States, women have been replacing men in the workforce, or rather were from sometime prior to 1976 until the mid-90's. (The general upward trend is from the recent recession, ...
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### Benefits of a weak national currency

I often hear that developing economies can benefit from a weak national currency. For example China as exporter deliberately makes its national currency weaker, so that it gains an advantage. Are ...
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### Can a country survive and prosper without international trade or investment from overseas?

To what extent can a country be 100% independent from the rest of the world? Is there any country like that in the world? Maybe North Korea, but North Korea receives supports from China.
2k views

### How does inflation impact the welfare of the economy?

When the government causes inflation through printing money, the individuals who saved their money in the bank are poorer. Is there a way to determine how different inflation rates impact the welfare ...
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### Does Craigslist Reduce Unemployment?

If a substantial (though admittedly I have no idea how large) part of the natural rate of unemployment is caused by the job search, do more efficient means of communication create more efficient labor ...
279 views

### Can intermediate good producer's profit ever be zero in new keynesian model?

In monopolistic competition, firms are said to have zero long-run economic profit. This makes me wonder whether profits of intermediate goods producers in New Keynesian model ever be zero. For ...
833 views

### Barro 1977: Main Message

I used to read Barro 1977 as (1) Prices not moving in a long-term contract is not sufficient for these prices to be suboptimal. That is, there can be an optimal pricing sequence in a long-term ...
60 views

### Is $\lim_{t \rightarrow \infty} B_t = 0$ at equilibrium in classical monetary model, where $B_t$ represents bond holding?

At equilibrium of classical monetary model, does $\lim_{t \rightarrow \infty} B_t = 0$, where $B_t$ represents bond holding has to hold? I was wondering about this question because there is no ponzi ...
117 views

### Why will Australia increase their interest rate only when US increases their interest rate?

Following 1 article, Australia will increase their interest rate only when US increase their interest rate (http://www.smh.com.au/business/markets/currencies/australian-dollar-on-track-to-dip-below-...
479 views

### The reasons why rouble is collapsing

What can you people say about the reasons why rouble is collapsing? Which one is the main?
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### 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 $k,\beta \in \mathbb{R}$, $0<\beta <1$?
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### 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 ...
2k views

### Gross value added and worker salary

I'm trying to figure out how the Gross value added is calculated. The first question that I have encountered is "Does the Gross value added of an activity includes workers salary?" If not, what is the ...
177 views

### What does one-sided polynomial on lag operator $L$ mean?

In some time series texts, there are some talks about one-sided polynomial on lag operator $L$. I tried looking up what this means, but I cannot find one. So what does one-sided polynomial on lag ...
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### Extensive Labor Margin and Full Insurance

Extensive margin models use Rogerson (1988) style lotteries in order to simplify the savings problem under non-full-insurance. However, one could still write down the model in that style but instead ...
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### Why is capital often not included in New Keynesian models? Is there a reason other than modeling difficulty?

In New Keynesian models, like the ones in Gali's simple New Keynesian model or even Mankiw-Reis NK model on sticky information, capital is often not included. Now people do say that there are ...
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### Straub and Werning, 2014, on zero capital taxation

This is a test balloon to see whether these kinds of questions are appreciated/welcome on Econ.SE: I had a hard time grasping Straub and Werning (2014) (no paywall). I understand the general ...
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### In most New Keynesian models, can monetary shock affect technology shock also?

One simple New Keynesian model would be http://crei.cat/people/gali/pdf_files/monograph/slides-ch3.pdf but I do not restrict my question to this model only. Let us for now ignore the problem of ...
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### Banking Regulatory Frameworks, between the 1973 collapse of Bretton Woods and the introduction of the Basel Accords in 1988?

Does anyone know of any work on banking system behaviour, and in particular the governing regulatory frameworks that applied between the 1973 collapse of the gold standard based Bretton Woods system ...
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### With OPEC driving the prices of oil down, can American producers simply store oil produced at higher cost to sell later? [closed]

I have been wondering. With OPEC driving down the price of oil in order to stifle the growth of the American oil industry, what can we do about it? More specifically, why don't these oil producers ...
3k views

### Empirical estimates of CRRA and CARA utility

I am working on macroeconomic model and I need to calibrate it. I am looking primarily for a statistically-founded estimate for the coefficient of relative risk aversion in the CRRA utility function ...
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### Log-linearization of Euler equation with an expectation term

There are a few online resources available to help with log-linearization (e.g., here or here). However, log-linearization where an expectation is involved is a little tricky because the log can't ...