# All Questions

8,014 questions
38 views

### Demand correspondence is both upper and lower hemi-continuous; is the preference continuous?

$\succsim$ is a weak order over $\mathbb R^L$. For a closed budget set $B\subset\mathbb R^L$, define demand correspondence: $$D(B)=\{x\in B|x\succsim y\forall y\in B\}$$. We know that $D$ is always ...
26 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 ...
8 views

### How do I simulate technological change in an input-output model?

I am interested in using environmentally-extended input-output models to construct different scenarios representing waste reduction (efficiency gains) in different economic sectors representing stages ...
22 views

### Can marketing efforts be considered to be a factor of production?

This is a sightly unconventional question, but I want to know whether marketing efforts can be considered as a factor of production. After all, if no one knows about your product, you can't make a ...
34 views

### Independence and Reduction Axioms

I have read that the Independence of Irrelevant Alternatives axiom in expected utility theory implies the fact that compound lotteries are equally preferred to their reduced form simple lotteries. ...
50 views

### Gapminder and OurWorldInData [closed]

I have found two great resources to learn about the distribution of goods (of any kind) all over the world: gapminder (Hans Rosling) ourworldindata (Max Roser) By reading their "about" sections they ...
39 views

23 views

### Production function involving profit maximisation

​Hi, I don't get how the answer of d is deduced in this question because I don't think I made any mistakes in my calculation and have also used all the information given. After knowing L is 800, I ...
20 views

### Price discrimination question

For this question the answer is b which is the TR of group 2. If price is the same, my question is why isn't the demand function of group 1 considered? Why is the TR of group 1 omitted?
22 views

### MRTS question involving production function [closed]

My work out shows constant MRTS and also increasing returns to scale. I thought the answer was C as I only found increasing marginal products of labour and capital. I really don't see how the answer ...
40 views

### Sequential game equilibrium strategy question

The question asks for player B's equilibrium strategy, hence shouldn't player B choose the strategy that gives the highest payoff after player A's move? Why does player B choose 4 over 5 and 6 over 8 ...
28 views

### I can not answer f) Pareto efficiency [closed]

Consider a society of individuals who receive an income of \$10, 000 pesos if they are healthy and \$100 pesos if they are sick. There are two types of individuals: some who get sick with a ...
10 views

### How is seigniorage redistributed in the Eurozone?

An ECB page notes that: As euro banknotes travel freely across borders, at any one time the number of banknotes in circulation registered at each national central bank can vary enormously. The ...
43 views

### Why does Denmark have such a huge disparity between its income and wealth Gini coefficients?

(After-transfer) income inequality and wealth inequality are obviously not the same thing, but I would intuitively expect that, all else equal, they would be reasonably well correlated across ...
26 views

### Optimal pareto in two-person game

For what values $x$, $y$ the profile $(D,L)$ is Pareto optimal? \begin{array}{c|ccc} & L & R \\ \hline U & x,5 & x+2,y \\ D& 1,-1 & x,0 \\ \end{array} Is correct $x<1$ ? ...
14 views

### Uncovered Interest Rate Parity Assumptions (UIRP)

When learning about UIRP i have naturally come across the assumptions under which it may hold. However i am having trouble understanding the role of these assumptions and what the actual consequences ...
10 views

### Exchange rate target zone 45 degree line in the free float case - Krugman Target Zones

As far as i understand in the Krugman target zone model the following equation describes the behaviour of the exchange rate within and outside a target zone $s_t = f_t + \alpha E_t(ds_t/dt)$. But if ...
76 views

### Value of Currency Itself

What is the value of an individual piece of currency itself based on the efficiencies it allows in trade, in contrast to the value it represents? For example, people often talk (complain) about the ...
12 views

### Compound lottery preference implies simple lottery preference

Suppose $\alpha>\beta$ and for two lotteries $L, L'$ $\alpha L + (1 - \alpha)L' \succ \beta L + (1- \beta) L'$ where $\succ$ implies preference. If the independence theorem holds, how do you ...
16 views

### Does the Bank of England have the ability to set reserve requirements for commercial banks?

I’ve been studying about monetary policy comittee.
30 views

### Are there economic models that predict (only) a medium/long-term negative effect of protectionism?

Going by some ECB models/estimates from last year, protectionism would result in negative consequences pretty fast, e.g. For illustration, I will use the results of simulations carried out by ECB ...
43 views

### why does an aging population positively impact on a decline in the smoking rate?

I've been studying the causes of a decline in the smoking rate, and I found out from the article that an aging population causes the decline. But, I'm not sure why it could happen. Is that because ...
24 views

### Condition for a Nash equilibrium

Consider two people have a mutually advantageous relationship. That is, if both dedicate more effort to the relationship both improve. Specifically, each individual chooses a level of effort \$x_{i}\...
3 views

### How to research “the role of market analysis in small enterprises efficiency/ performance/ profitability in Afghanistan)

I’m a BBA student from Afghanistan and looking for a dissertation topic. My interest area is analyzing and managing businesses, specially small enterprises. This is an old topic to research I know, ...
10 views

### Difference between IS curve viewed by Keynes and by Friedman

In my economics lectures, we are going through Keynes vs Friedman. As far as I got we have a downward sloping IS curve in the IS-LM model. We get this curve from the Keynesian cross when the rate of ...
42 views

### Construction of a 3x3 simultaneous game

How could I construct a 3x3 simultaneous game with 2 players with no equilibrium in pure strategies but 1 is mixed strategies . I am able to write down one with no pure strategy Nash equilibrium but ...
70 views

### Why is demand curve always going down?

In many economic charts with demand and supply curve, people often say the demand curve goes down with more quantity. But I will give you a really practical example, why I think they are wrong. ...
57 views

### How do people check or trust that central bank is not cheating? [closed]

How people can be sure that somebody, cooperating with central bank (or working in it), is not creating money in digital or paper form for themself, so that nobody else notices it?
59 views

### SMD and Lucas critique

One of the consequences of Lucas' critique is that models must be microfounded. On the other side, Sonnenschein-Mantel-Debreu (SMD) theorem claims that microfoundation doesn't have any repercussion on ...