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5
votes
1answer
180 views

Why is JPY considered a “safe currency”?

When the economic prospect around the world feels getting worse and/or getting higher uncertainty, usually the value of JPY is getting higher, because investors are said to start to buy JPY to shelter ...
5
votes
2answers
183 views

Stimulus Effect of the Minimum Wage

In the question about the minimum wage found here, I have heard several times that an increase in the minimum wage can, as one of several competing effects, "boost the economy" by increasing the ...
5
votes
3answers
456 views

Preferences where wealth effect dominates

King-Plosser-Rebelo preferences satisfy balanced growth requirements, we have that income and substitution effects of labor cancel. Labor does not respond to a change in the wage level. Greenwood-...
4
votes
1answer
382 views

Why are CAD, AUD known as commodity currencies

Why are some currencies like CAD, AUD known as commodity currencies?
4
votes
2answers
14k views

What's the difference between public debt, government debt and national debt?

When it comes to non-private debt, I hear these three terms the most, but I am not sure if they're interchangeable or discernible. Also, are they recorded in the balance of payments? I'm guessing if ...
4
votes
3answers
17k views

Taxes levied on sellers = Taxes levied on buyers

All page numbers refer to Principles of Microeconomics, 7 Ed, 2014, by NG Mankiw. [p 125:] Taxes levied on sellers and taxes levied on buyers are equivalent. [p 156:] ... When a tax is levied on ...
4
votes
1answer
2k views

Nominal GDP versus PPP in comparing military spending of different countries?

Military spending as percentage of GDP is the most used measure of the economic capability of a certain country/military. But Some countries like India for example, have a huge difference between ...
4
votes
1answer
207 views

How to measure GDP in practice?

You can find many explanations of theoretically how GDP is measured. But how is it done in practice? Is it estimated by extrapolating from small samples of activity or can the overall value be ...
4
votes
2answers
294 views

The Printing of Money for Paying Debt

I know that printing money causes inflation, but what if we print it to pay back our debts? For example, we have N dollars of debt to China. We can just print the N dollars and give it to China. ...
4
votes
2answers
12k views

Does GDP count both the investment and the house rental?

Suppose you bought a new house in the year of 2010. Then the price of the house in counted toward the 2010 GDP. Say then you live in the new house in the following years. So in these years, the GDP ...
4
votes
1answer
603 views

Bertrand game - Nash equilibrium

The quantity is limited to 300 but the monopoly quantity is equal to 400 and gives a monopoly price of 600. But if we plug the quantity of 300 into the demand function we get a price of 700.But I am ...
4
votes
1answer
183 views

Federal Reserve capital injections

What were the specific conditions that the Federal Reserve attached to the capital injections forced upon the major Wall St. banks during the Great Recession? How and why do they differ from normally ...
4
votes
1answer
5k views

Proving AC is minimized when MC=AC

I am trying to prove that AC is mininimized when AC=MC This is how far I am: FOC: Showing what I want to prove SOC: This has to be positive in order to ensure that AC is minimized, but how can i ...
3
votes
1answer
13k views

What's the difference between gross fixed capital formation and gross private domestic investment?

Cited from Wikipedia, we know: Gross private domestic investment is the measure of physical investment used in computing GDP in the measurement of nations' economic activity. This is an important ...
3
votes
1answer
6k views

Monotone transformation of utility

We have learned that any "strictly positive monotonous transformation" of utility functions is okay, as long as they preserve the ranking of choices implied by the underlying preferences. Consider $U(...
3
votes
2answers
3k views

Identifying Nash equilibria in extensive form game

Is there a systematic way of identifying all (pure strategy) Nash equilibria (not just the subgame perfect ones) in an extensive form game? In the following Entrant v Resident example, there are three ...
3
votes
5answers
333 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. ...
3
votes
3answers
303 views

Sanity of lending out made-up money

Background I've done some research to get an understanding into the issue I want to ask about. Regrettably, I found out general descriptions of the mechanism and/or evidently biased explanations, ...
3
votes
1answer
307 views

Changing the base year of Real GDP from 2001 Euros to 1990 Geary–Khamis dollars

Estimating regional Gdp in Italy (1871-2001): sources, methodology, and results (Felice, E) This article has Italian historical regional GDP figures, but they are in constant 2001 euros not in 1990 ...
3
votes
1answer
244 views

How are purchasing power parity (PPP) conversions computed?

How are purchasing power parity (PPP) conversions computed? I guess that goods' and services' prices are compared across different countries/currencies. However, there are services such as healthcare ...
3
votes
1answer
141 views

Currency substitution after withdrawal from a currency union?

Currency substitution is the situation where a country uses a foreign currency. For example, Montenegro and Kosovo unilaterally use the euro, El Salvador and Panama unilaterally use the dollar. In ...
3
votes
1answer
2k views

Maxmin and minmax strategies

I was solving for a stable equilibrium in the following 2 player zero sum game. I need to calculate the equilibrium using maxmin and minmax strategies. In this game they should come out to be ...
2
votes
3answers
751 views

Why is it that the “right” inflation is positive? [duplicate]

I have read in several places that inflation should be positive, at about 2%-3%. The most recent example was in this answer from another stack exchange site. How is this value obtained and under what ...
2
votes
3answers
250 views

What do interest rates tell us about the state of an economy?

I seem to have a misconception about what interest rates mean. On one hand, they signal how high a government's demand for money is, because if a government is ever in any serious need of money, they ...
2
votes
4answers
681 views

Why are second price auctions preferred if they don't maximize expected revenue?

The reasoning usually given for why you would use a second price auction (SPA) as opposed to a first price auction (FPA) is that FPA encourage underbidding while SPA encourage truthful bidding. That ...
2
votes
1answer
58 views

Definition of subgame perfect Nash equilibrium

Take a two-stage game with complete information and simultaneous actions in each state: (1) Player 1 and 2 simultaneously choose action $a_1\in A_1$ and $a_2\in A_2$ respectively. (2) Player 1 and ...
2
votes
2answers
2k views

How to estimate empirically a demand curve

Suppose I have a small business that sell ice creams. An Icecream cost 2$, and every day I have different values of sales. ...
1
vote
4answers
13k views

Will price increase as demand increase?

I know the law of demand which states that if price of a product increases then the demand will decrease In this, I think we assume that price is a function of demand. But I feel otherwise i.e. ...
1
vote
0answers
99 views

Revenue maximization problem

There are $N>0$ Households in an economy. The government has aim to maximize a weighted average of income by imposing tax on the rich people and redistribute the tax revenue to the labor ones. ...
1
vote
1answer
5k views

What is the difference between average cost and marginal cost?

$$AC(q) = \frac {C(q)}{q}$$ $$MC(q) = \frac{\partial C(q)}{\partial q}$$ These are the definitions. But I don't understand what the difference is. Is the average cost the cost per unit while the ...
1
vote
2answers
2k views

convexity of the profit function for profit maximization

the profit function is convex in prices and wages (output and input prices respectively). How does this interact with profit maximization since convexity implies tangents always lie below the curve I ...
1
vote
1answer
68 views

Is a home (primary residence) purchase a form of investment in macroeconomics?

From Wikipedia, investment in macroeconomics is the purchase of goods that are not consumed within a short amount of time (say 3 years). In this sense, home purchase seems to be a form of investment. ...
1
vote
2answers
97 views

Does the minimum of short-run average cost equal the minimum of long-run average cost in the long run for perfect competition?

I was recently reading this resource (http://www2.econ.iastate.edu/classes/econ101/hallam/Comp_LongRun_HND.pdf) which states that in the long run for perfect competition, price is equal to both the ...
0
votes
2answers
100 views

Is the use/consumption of natural resources considered an externality per se?

On a finite planet natural resources are rival goods by definition, i.e. if one agent uses/consumes a natural resource it becomes unavailable for other agents. Mankiw defines an externality as "the ...
0
votes
0answers
31 views

How to Find Real Disposable Income for Iran?

I'm doing a project for my macro course, and I'm trying to find real disposable income for Iran over a 25 year period. In my course Disposable income, $Y_d = Y - T$, where $Y$ is output (income) and $...
0
votes
1answer
114 views

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 price ...
0
votes
1answer
67 views

Is it possible to pay the internal debt of the country and to cover the budget deficit by increasing taxes?

Say for example the US govt. is putting an extra tax of 10% on the incomes of the people earning more than the average income. To make it easier, only tax the people earning more than 110% of the ...
0
votes
1answer
52 views

Calculating elasticity between terms in a regression equation

Given the following regression: $ln(w_i)=\beta_1+\beta_2age+\beta_3age_i^2+\beta_4Y_i+\beta_5T_i+\beta_6Mar_i+\epsilon_i$ I am asked to calculate the elasticity of wages with respect to age. Is the ...
0
votes
2answers
260 views

Supply curve for a competitive firm with constant MC

I know that for a perfectly competitive firm, the supply curve is given by $p=MC \ge AVC$, where $AVC$ is the average variable cost. Now I get really confused when the $MC$ comes out to be a constant....
0
votes
0answers
53 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 ...
-1
votes
1answer
66 views

Would a very cheap renewable energy source be harmful economically?

This question is not on whether these devices work or not but so much as if they did work. What if electricity can be made so cheap that everyone could afford it ti the point there was no demand for ...
72
votes
18answers
15k views

What are some results in Economics that are both a consensus and far from common sense?

What are some results in Economics that are both a consensus between most economists and far from common sense? I would also welcome suggestions of clear definitions for what we should mean as ...
73
votes
5answers
17k views

Why is the oil future price negative?

I don't understand why the price of oil futures went negative today. News say it is because sellers cannot sell it. But, why don't they just hoard it until the coronavirus crisis is off? Why don't ...
61
votes
4answers
12k views

Why do economists disagree so much?

I'm coming at this from a scientific point of view, having had no formal training in economics - most of what I know about it was from self-studying an undergraduate economics textbook. My question ...
23
votes
4answers
78k views

Partial vs. general equilibrium

Microeconomic models are usually classified as partial and general equilibrium models. As a layman, I understand that partial equilibrium focuses attention on a few economic variables to find the ...
16
votes
5answers
4k views

Topological concepts in economic theory

QUESTION: What are the major or systematic applications of post-1960s mathematics to microeconomics? For example, in the late 19th century, Fisher first used the mathematical ideas of Gibbs to ...
27
votes
3answers
9k views

How to intuitively understand the 'Intuitive criterion'?

The intuitive criterion by Cho and Kreps is a refinement to minimise the set of perfect Bayesian equilibria in signalling games. What would a simple and intuitive example to explain this criterion be? ...
22
votes
6answers
5k views

How do Marxist economists solve the Diamond-Water Paradox?

For class surveying different economic systems, I read a book on Marxism and its core beliefs. As I read, I came to learn that the Marxist view of economics depends heavily on the Labor Theory of ...
18
votes
3answers
611 views

When Optimal Control fails (?)

In order to "ask my question", I have to solve a model first. I will omit some steps but still, this will unavoidably make this post very long -so this is also a test to see whether this community ...
13
votes
3answers
317 views

What have been the main developments in macroeconomics and financial economics since the 2008 financial crisis?

In the aftermath of 2008 economists were, fairly or not, blamed for a failure to foresee the coming crisis. Ideas such as "The Great Moderation" and market efficiency were openly ridiculed as ...

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