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9
votes
8answers
75k views

How interest rate affects currency

I am quite new to economics. I was reading about changes in interest rates and its effect on currency value. The fact is as interest rates increases, the currency value also increases and vice versa....
0
votes
1answer
32 views

When building a social accounting matrix, do you input domestic intermediate demand or total intermediate demand?

I have been trying to build a social accounting matrix (SAM) after building an input-output table (IOT). In the IOT, I had to distinguish between total intermediate demand (which includes import of ...
1
vote
0answers
24 views

Hedonic regression and attribute-shares in house prices

Given a house with price $P$ and attributes $h_1,\dots,h_n$, I want to estimate how much each attribute costs as a percentage of house price $P$. In other words, if we express house price as the sum ...
0
votes
1answer
53 views

Change in inventory

Inventory change=last period's ending inventory- the current period's ending inventory. Change in inventory= production of the firm during the year- sale of the firm during the year No doubt in (1) ...
1
vote
2answers
47 views

Where can I find the statistics of import crude oil to China?

Is there any website that shows statistics of import crude oil and commodities to China daily or monthly?
0
votes
2answers
23 views

What is the best observable proxy for the instantaneous risk-free market interest rate?

I am exploring a number of different models using daily data, of the US economy, and am trying to gather up observable proxies for some of the most important macro and micro variables, and surveying ...
0
votes
2answers
36 views

K in the Cobb Douglas function

I'm using the Cobb Douglas production function for a Mathematics investigation into how optimisation works in Economics. The assumption is that the firm require's only one type of capital, that is, a ...
-1
votes
0answers
11 views

Given an MRS how to be better off [closed]

Let's assume we have 2 agent A and B. A has n good x and m good y and B has a good x and 2a good y. If we know their MRS's at their current bundles how can we offer them a trade that makes both of ...
1
vote
3answers
51 views

What would be the income tax rate be if it were 'flattened'?

In some recent conversations/speeches (It's voting season), I have noticed many people do not understand how a marginal income tax system works. Not understanding how they are only taxed at the ...
-1
votes
0answers
21 views
+50

NIPA sectoral balances, understanding influences on household sector

we know that the private sector balance = S-I = Y-C-T-I lets split it into 3 sectors: Households, Firms, and Banks. Suppose that that the HH balance equals +100 so far into the period. Q1) Then, a ...
0
votes
0answers
20 views

Questions about merger simulation with logit demand

I'm trying to learn how to do merger simulation with logit demand. I think I get the concept of it and most of the math, but I'm struggling to put everything together and see how you would actually ...
1
vote
0answers
21 views

Mechanism Design and Multidimensional Type Spaces

Is it possible to design a mechanism of agents with multidimensional types? In particular, what if the type space has the following form: $$\Theta_i=\{\theta_i\in\{{1,2,\dots, n}\}\times[0,1]:n\in\...
0
votes
1answer
42 views

Why is discriminating monopoly better than competitive markets for producers?

In intermediate microeconomics by Hal Varian, It is said that discriminating monopoly is better than competitive markets for producers. Why so?
0
votes
2answers
93 views

Why doesn't capitalism run out of money?

There's this question that doesn't let me sleep at night... From what I hear, investing surplus money is always considered a good idea because it lets your money "work for you" and earn you more ...
0
votes
2answers
42 views

Autocorrelation function of a random walk process

What is the intuition behind the result that the autocorrelation function of a random walk process $y_{t}=y_{t-1}+e_{t}$ tends to 1 as $t\rightarrow 0$? Thank you.
0
votes
0answers
68 views

What are Frisch Demands useful for?

Frisch demands are demand equations found usually in an intermediate step of the standard utility maximization problem. By example for the basic two-good case of a consumer with quasilinear ...
0
votes
1answer
23 views

Limit of random walk auto correlation function

Given the random walk process $y_{t}=y_{t-1}+e_{t}$, the auto correlation function is given by $corr(y_{t}, y_{t-h})=(\frac{t-h}{t})^{1/2}=(1-\frac{h}{t})^{1/2}$, which tends to 0 as t tends to ...
7
votes
2answers
7k views

Why is CRRA utility often used in macroeconomics DSGE model?

As title says, why is CRRA utility often used in macroeconomics DSGE model? That is, the form of $$u(c_t) = \frac{c_t^{1-\sigma}}{1-\sigma}$$ I cannot find any theoretical background around this........
0
votes
0answers
5 views

How do I find monthly domestic interest rates for Panama for the early nineties?

I am looking for monthly domestic interest rates for Panama from before December 1996. Any type of interest rate will suffice - deposit rate, money market rate, saving rate, lending rate. The time ...
0
votes
1answer
124 views

Most significant factors in the price of a goverments bonds

As a follow up on Long-,short-term interest rates and inflation. Inflation is clearly a factor(tho not possible to model mathematically) when it comes to the market price of a bond. I can think of ...
0
votes
0answers
7 views

Random payoff generation in Otree

I am programming an experiment in python which involves the decision between two players to either enter a market or exit based on a prisoner's dilemma payoff structure. However, the payoff of each ...
4
votes
2answers
7k views

Why is money in circulation a liability of the central bank?

We know that the money today is fiat currency, that it is money because the government says it's so. So when new money is printed or loaned out to the commercial banks by buying treasury bonds, ...
1
vote
1answer
154 views

How to build a Social Accounting Matrix from an Input-Output Table?

I built an Input-Output table (IOT) with the industryXindustry format because I thought it was a building block to build a social accounting matrix (SAM). But now I realize that I can't transpose the ...
5
votes
1answer
92 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/...
2
votes
3answers
194 views

What's the use of '% to GDP' type of variables?

In my study I will look for the relationship between the Gini coefficient and trade, FDI and other variables. However, as I was regressing it... the result turn out to be insignificant. My data that I ...
0
votes
1answer
31 views

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 ...
0
votes
1answer
37 views

Bayes Correlated Equilibrium with complete information

Model Consider a game where a decision maker (DM) has to choose action $y\in \mathcal{Y}$ possibly without being fully aware of the state of the world. The state of the world has support $\mathcal{...
-3
votes
0answers
15 views

What is the time period I should assume for factor prices in the cost function? [closed]

I have a quick and rather urgent question. Using the method of Lagrangian multipliers I got my cost function for my Cobb Douglas function of the form AQ^(1/b) where b>1, and A was an extremely large ...
-2
votes
0answers
14 views

Fixed vs Flat Tax Rate Question

Sam consumes, among other things, telephone services. He pays a fixed tax t on every phone call he makes (in addition to the regular price), and ends up paying 100 dollars every year in telephone ...
0
votes
0answers
11 views

Optimal tax level that raises revenue R < e given Hicksian demand elasticities

I have to find a uniform tax rate that raises revenue R < e and I am given a Hicksian cross price elasticity demand matrix below. I know I want to use Ramsey's first-best but I am not sure, how to ...
0
votes
3answers
47 views

locally nonsatiated preferences

what does this symbol mean in the discuss of locally nonsatiated preferences: $\varepsilon > 0$ and $||y-x||<\varepsilon$.
-1
votes
0answers
9 views

Finding budget share given Hicksian demand elasticities

I'm not sure how to go about solving this. I tried thinking of this as a linear function where a share of marijuana = $-.4 -.106tobacco +.506alcohol$ and find a share of each good by doing a system of ...
0
votes
0answers
19 views

Consistency of Textbook Problems Involving Discount Rate

A book on Theory of Interest explains about the discount rate as a rate when the interest is paid at the beginning of period: If a person borrows \$100 for 1 year and with discount rate of 10% ...
0
votes
1answer
18 views

Falling Real Wages

Economist Lester Thurow said, "It used to be that if you were an American and relatively unskilled, you got an American premium, cause you'd work with more raw materials, better capital, better ...
0
votes
0answers
17 views

Over What Ranges Can Elasticity Estimates Be Applied

I am reading the following paper: https://onlinelibrary.wiley.com/doi/full/10.1111/1756-2171.12113 The paper attempts to estimate the elasticity of pharmaceutical innovation (measured by # of new ...
0
votes
1answer
26 views

What are some currencies that are not pegged and fixed?

Are there any currencies that are not pegged to the dollar or euro and are purely fixed exchange rates?
0
votes
1answer
19 views

Shouldn't national Stock Indices proportional to GDP of the country?

I was looking at Japan: Japan's GDP trajectory and Nikkei 225. It seems from 2011 - 2015 the GDP contracted but the Nikkei has gone up. Would there be a good explanation for this ?
0
votes
1answer
26 views

What does it mean for a firm to have a 0.95% dividend?

Here's an Apple's dividend: What does this 0.95% mean? Is it 0.95% of share capital? If not, what does it mean?
0
votes
1answer
27 views

Some basic questions on infromation asymmetry

How does asymmetric information and bid-ask spread are connected? For instance, economic theory tells us that, the more the problem of information asymmetry, the higher the spread is. What is the ...
1
vote
4answers
152 views

Perfectly competitive firms. Economies of scale

My textbook says the following: "Perfectly competitive markets only achieve productive efficiency if you assume that there are no economies of scale in the industry." Why is this the case? And by "...
2
votes
4answers
49 views

Does Efficient Market Hypothesis make anticipated monetary policies useless?

Since the market perfectly captures all the information, is it true that any anticipated monetary policy has no impact on equity prices? Or the “information” has an immediate impact but the “event” ...
-2
votes
0answers
16 views

Crusoe Economy maximization [closed]

u(c,l)=c^a(1-l)^a-1 0<a<1 Y=Al^b Find the optimum c and l.
0
votes
1answer
17 views

What does the vertical axis of the Kuznets curve depict (mathematically)?

I do not understand what does the word "inequality" means on the vertical axis of the Kuznets curve. Can someone please explain?
0
votes
1answer
20 views

How to interprete ndependence between treatment indicator and outcomes?

In Woodridge's textbook "Econometric Analysis of Cross Section and Panel Data", page 907, it says ...the treatment indicator $w$ is statistically independent of ($y_0$, $y_1$), as would occur when ...
3
votes
2answers
87 views

Can we have a Non-Reflexive Preference Relation?

I've been thinking about preferences alot recently and have been specifically thinking about the reflexivity requirement. That is: $$x \succsim x$$ Though this is apparent and obvious, I have been ...
8
votes
7answers
3k views

Mathematical Micro/Macro Economics Textbook Recommendation

I was formerly an economics major and now also majoring in mathematics. I want a textbook that is rigorously based on mathematics; not just using mathematics whenever the author wants, but in a more ...
1
vote
0answers
9 views

China benchmark rates and Shibor relationship (chart)

I made the chart below for an assignment on People's Bank of China monetary policy during the financial crisis. The problem is that it got me very confused about the relationship between these ...
2
votes
1answer
205 views

Axiom: More is Better; But when is more better?

I'm taking an introductory microeconomics course and have been introduced to the 3 axioms of economic preferences. These include Completeness Transitivity Non-satiation My understanding of non-...
1
vote
1answer
29 views

Am I correct that cyclical unemployment can be negative?

Let's start with stating and emphasizing some truths that we will need later. Overall unemployment rate=Frictional unemployment + Structural unemployment + Cyclical unemployment. Also, Natural rate of ...
1
vote
1answer
31 views

Are these two derivatives the same with regards to TR?

Given that Marginal Revenue is change in Total Revenue: TR = P*Q P = f(Q) TR = f(Q) * Q MR = dTR/ dQ Or ...

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