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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30 views

When to use a lagrange multiplier?

I have a question in regards to the use of Lagrange multipliers in macro models. I have seen that when writing a Lagrange there are two ways to write the Lagrange multiplier: 1) Indexed or 2) ...
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is it possible to find PPP monthly data?

For most of the databases, monthly PPP data is not provided. How it can be possible to find monthly PPP data? i mean PPP(exchange rate) conversion factors. Thanks
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How would increase labor productivity lead to improved living standards of people in an economy?

I would like to know more about the mechanisms through which higher labor productivity would translate into higher living standards for a population in a given economy.
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Fairness of U.S. Foreign Trade with China and Japan

I I have a debate coming up this week over the question: Is the U.S. being "robbed blind" through unfair foreign trade practices by China and Japan? The stance I am assigned to is that the current ...
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Calculating Real Budget Deficit, given Nominal Deficit and Inflation

I am doing this course on Coursera. In the context of explaining what Budget Deficits are, the professor puts up the following formula: Real Deficit = Nominal Deficit - (Inflation*Total Debt) My ...
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On monopolies - profit maximisation

The answer is D. Can someone help me ?
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33 views

Why is macroeconomics about general equilibrium?

In a fairly popular paper published a couple of years ago ("On the future of macroeconomic models"), Blanchard (2018) makes the following statement, among other "widely believed propositions": (i) ...
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debt monetization & Fed's involvement in the Repo market; how does that affect velocity of money?

On September 4th 2019, The Fed started monetarizing debt once again and has added $385 Billion to the balance sheet as of 1/22/20. https://fred.stlouisfed.org/series/WALCL Around the same time in ...
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What is the difference between Q4/Q4 and Y/Y GDP growth?

Per US media, the US economy grew 3.1% in 2018 Q4/Q4 and 2.9% in 2018 Y/Y. 2.9% seems the reference number in various databases (World Bank, Reuters, Bloomberg, etc) but what exactly does Q4/Q4 mean ...
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Why actual government deficits may be a poor measure of fiscal stance? [closed]

Why actual government deficits may be a poor measure of fiscal stance? How could this problem be overcome?
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22 views

Micro and macro readings [closed]

Can you give me good readings for micro and macro theory for undergraduates? I would like ones that would cover a lot of math.
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58 views

How does interest rate impact exchange rate?

When I’m using the forward exchange rate formula based on non-arbitrage theory, it tells me that a positive interest rate spread (i_domestic > i_foreign)would cause the forward exchange rate(units of ...
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25 views

Does stagflation lead to redistribution of wealth?

Suppose there is inflation in our country, but we take a short term, thus some prices are sticky and there is non-positive "growth" of the real GDP. In other words, we experience stagflation. If I ...
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If a new company arrives into market with great idea and achieves sales, is it away from other companies sales?

If a company arrives into world markets (let's say world markets has total of 100M€) with a new innovation and achieves sales of 10M€, is the money achieved away from the sales of other sellers on ...
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Basic question on S=I

Consider the identity: $$ Y=C+I+G+X-M $$ where $Y$ is defined either as value-added output, or income, or total expenditure. Now, consider private individuals, who decide to save money, as opposed to ...
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What will be the additional investment?

I recently encountered upon this question: Suppose, in an economy,autonomous consumption is Rs 100 crore and autonomous investment is Rs 60 crore. Imagine that in this economy,with every increase in ...
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Why did foreigners keep buying Swiss francs at -41% (not a typo) interest rate in the 1970s?

A Bloomberg (opinion) piece notes In January 1975, the Swiss government held an emergency meeting and then took the extraordinary step of slapping a 41% annual penalty on foreign deposits. But even ...
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How would M2 and Velocity of M2 be affected if balance sheet expansion continues long-term?

Let’s assume that the Federal Reserve does NOT discontinue injecting liquidity into the Repo market but, instead, continues a long-term policy of continuous and regular liquidity injections. Let’s ...
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1answer
44 views

Why would overemployment mean that labor is used inefficiently?

If labor is being used efficiently, there is no excess unemployment or over employment. This phrase from Khan Academy struck me as quite strange. Why on Earth would over employment mean that labor ...
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1answer
56 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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28 views

Does demand side economics only apply to manufacturing

For example, if investment falls then manufacturing falls. but there is no investment in secondary markets. Wouldn't recessions cause factories to collapse but why would they affect realtors, used ...
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Are interest rates low because of low aggregate demand? If so, what are the reasons for low AD?

Interest rates seem quite low in most of the western world and it looks like the market thinks this will last for a long time. 10-year government bonds in US, Canada, Australia, France, Japan, ...
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PPP and real exchange rate [closed]

Can someone help me with this question. It shoul be easy but i am not able to solve any of them. Thanks
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Deprivation vs. Marginalization

I see many studies of poverty use 'marginalization' and 'deprivation'. What are the difference between them?
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Economic move from agricultural to manufacture to service in ?what after service sector?

is there anything after service sector .in oecd nation most of employment in service sector.is there anything like post service world.
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Why is oil being traded in U.S. dollars?

I am trying to understand the concept of money,forex, depreciation of currency,devaluing,...(just the basic stuff). While I was reading about why oil is being traded in U.S. dollars, on the internet, ...
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51 views

Do I understand correctly that taxation-based government expenditures allow GDP to grow?

Suppose (it's an example) GDP= $1 000 000, Marginal Propencity to Consume(MPC)=0.25, that borrowing money is an absolute taboo for our government and that said government wants to increase GDP. What ...
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183 views

Balanced budget and change in taxes

Consider a simple Keynesian economy in which the government expenditure ($G$) exactly equals its total tax revenue: $G = tY$ where $t$ is the tax rate and $Y$ is the national income. Suppose that the ...
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Why should government bonds have been a part of FSB rules on repo markets?

Since the financial crash, reforms have been made by the FSB, I would like to know why there is the opinion that government bonds should have been part of FSB rules on repo markets
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Cost of living index

Say you have a cost of living index based on the dollar for each state. Such as this one: https://www.forbes.com/sites/chuckdevore/2019/08/06/when-is-a-dollar-not-a-dollar-states-and-the-cost-of-...
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Does the introduction of credit card affects Money Velocity?

In my macroeconomics class, our professor showed an example of the introduction of the credit card. She says that this will decrease the money people are willing to hold, and thus increase the money ...
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When does the interest rate parity curve shift?

Given the IS LM IRP model, can somebody tell me the difference for when there is a movement along the IRP curve and when there is an actual shift in the IRP curve?
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16 views

How to calculate the multiplier in an open economy?

So suppose there is an open economy were only the goods market exists: C=0.6(Y-T) T=0.25Y Imports=0.2Y exchange rate=1 exports=0 Investment and government spending added up together=6. How to you ...
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1answer
28 views

In a production function, the technology can vary across the firms and times. But the “power” must be same for the same industry?

Let $F_t=A_tK_t^\alpha L_t^{1-\alpha}$ be the production function with two parameters. In regression, we know the firm level $F_t$, $K_t$, and $L_t$. We want to estimate $A_t$ and $\alpha$. I've ...
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Why does an increase in GDP lead to an increase average incomes?

I am a high-school student...sorry if this is a very simple question. Is it due to the fact that, as there is more money in the economy, firms can afford to pay higher wages/employ more people? But ...
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Is a 6% wealth tax a sustainable source of income?

Elizabeth Warren is planning to pay for various things with a 6% wealth tax on those with fortunes in excess of $1B USD. Now, right or wrong, this seems to be an awfully big annual scoop from a ...
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79 views

Why do we say that trade and specialization according to comparative advantage lead to one-time increase in PPF of given country?

PPF shows us different combinations of goods that we would be able to produce if we employed existing resources of our country in the most efficient way. One thing to notice about PPF: It's ...
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Linearization of the dynamic system (I did it, but I have a mistake that I cannot catch. Help me please)

I have the following dynamic system in discrete time For p is price, d is demand and s is supply. $$p_{t+1}-p_t= a(d_t-s_t)$$ $$s_{t+1}-s_t=bp_ts_t-ws_t$$ $$d_t= k-gp_t$$ I have to linearize this ...
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33 views

Economic interpretation of the given dynamic equations

How do you interpret these equations $$c_{t+1}/c_t=1-\beta [(c_t/w_t)-a]$$ $$w_{t+1}+c_t =kw_t+q$$ where $\beta$ a, k, q are strictly positive parameters. $c$ is consumption and $w$ is wealth. ——...
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75 views

Job search theory in discrete time

Let us assume that there is a labor who lives in discrete time universe and discounts future payoffs with the discount factor $b\in (0,1)$. And we assume that this labor is at period $t=0$ at first. ...
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Brainard on ELB Policy

In this speech, FRB Governer Lael Brainard suggested the following approach to monetary policy at the Effective Lower Bound: .....I have been interested in exploring approaches that expand the ...
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4answers
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Why is so much of macroeconomic theory dedicated to economic growth?

I'm an economics PhD student and throughout my macroeconomics education I've found the topic of economic growth always being discussed at great length. From an Naive perspective id expect that one of ...
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1answer
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How does exchange rate change with respect to interests?

If the central bank raises intereat rates, isn't the money supply now less and the exchange rate is greater? I have run into opposite statements and dont know how to approach this problem. Thanks in ...
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23 views

What does the GNI/GDP ratio of a country signify about?

What does it mean, if the GNI of a country is lower than the GDP
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40 views

What would be the consequences of Downsizing on the economy?

In the 2017 movie Downsizing, a chunk of the population decides to reduce their body size to just a few inches. What would be the consequences of this on the economy? I'd like to know chronologically ...
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2answers
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What does it mean to “kickstart the economy”?

This answer claims that: the central banks have been lowering and lowering [interest] rates, desperate to kickstart the economy, but it's not been working What does "kickstart the economy" mean ...
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Would GDP for a pure endowment economy be equal to zero?

(Am I correct?) As far as I understand, a pure endowment economy means that good just appears in the country without any labor involved in producing them. Like maybe given country lives entirely from ...
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Market impact function

I have the following Dynamical system for market impact function $$p_{t+1}-p_t=a(d_t-s_t)$$ $$s_{t+1}-s_t=bp_ts_t-cs_t$$ $$d_t=y-rp_t$$ where $s_t$ is quantity supplied, $d_t$ is quantity demanded, ...
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Which one of these intepretations of belonging of a factor of production is correct in context of calculating “income of our citizens abroad”?

NFFI can be calculated as income of foreigners here MINUS income of our citizens/corporations abroad. As far as I understand, it's assumed that our citizens earn income by using OUR factors of ...
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Is there no equivalent exchange? [closed]

There is no equivalent exchange. I think it doesn't exist. The so-called equivalent exchange is imaginary. In exchange, one side always makes money while the other side loses money. For example, if ...