# All Questions

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### Why should I get a bond with negative interest instead of having a bank deposit account either zero interest or positive interest

I don't get why central banks apply negative interest rates. They say that buy our bond and at the maturity, it will worth less than today. What is the policy outcome of such decision? Why an investor ...
3k views

### Local Non-Satiation Proof

I have been having trouble with how to go forward with a proof for about three days now. I know the basic structure of the proof, but can't seem to construct it. Basically, I am trying to do a proof ...
1k views

The von Neumann-Morgenstern theorem states that, assuming a person's preferences under risk satisfy certain rationality axioms, then there exists a utility function u, the von Neumann utility function,...
864 views

### Why are trade deficits considered unfair?

President Trump has accused Germany and China of unfair trading practices over trade deficits. What is unfair about trade deficits? This may be economics 101, but in my naive eyes every time a ...
151 views

### What is the appeal of DSGE models?

As far as I understand people like them, because they fit the data quite well when compared to VAR's for example while also having an economic interpretation. They appear to explain observations in a ...
726 views

### Books to self-study applied econometrics

I'm a student and I'm interested in focusing on the application of econometric theory to "practical" situations. It would be great if you can suggest freely available books along with those that are ...
346 views

2k views

### What are Giffen Goods?

What exactly are Giffen goods and are they of purely theoretical interest or has there been empirical evidence of their existence?
811 views

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### Subgame Perfect Nash equilibrium: two stage game

Charitable organizations are ranked according to the proportion of their total budget that is spend on programs(what directly goes to the recipients of their services) relative to money spent on ...
117 views

### what was the world's wealth in 2015?

I was reading an article from 2015 stating that 1% of the world has half of the world wealth. They have several figures such as the world's billionaries have around 7 trillions dollars or the global ...
147 views

### How important are capital requirements for controlling broad money supply?

Interestingly, the Bank of England (BoE) is one of the few central banks that does not have reserve requirements. Canada, the UK, New Zealand, Australia, Sweden and Hong Kong have no reserve ...
1k views

### Wouldn't an unconditional basic income lead to an inflation that negates its effect? [duplicate]

There are several version and denomination for a basic income. In this question, I will call unconditional basic income the situation were all citizens of a country receive regularly a lump-sum of ...
209 views

### Kuhn-Tucker and optimization (continue)

This is a question related to the question: Kuhn-Tucker optimization problem and game theory .The question is: Some cultures emphasize more social interaction more than others. Is there a role for ...
61 views

### Example of the change of measure proposed in Hansen (2012)

In this question, I'm continuing to explore the tools used/presented in Lars Hansen's Econometrica paper "Dynamic Valuation Decomposition within Stochastic Economies" (2012). I'm trying to compute an ...
670 views

### Can the Machina Paradox be solved by expanding the choice set?

In another question, the Machina paradox is mentioned as a possible counterexample to the expected utility model: Adding to the list of paradoxes, consider Machina's paradox. It is described in Mas-...
3k views

### Why absolute value in elasticities and marginal rate of substitution?

This is a point I find very confusing and very hard to justify to students. Depending on the books, one finds many different conventions regarding the sign of elasticities and marginal rate of ...
686 views

### Examples of Factors in the ICAPM

The intertemporal capital asset pricing model (ICAPM) is different from the CAPM in that in the ICAPM, utility is conditioned on some set of state variables. The ICAPM results in a multifactor pricing ...
162 views

### Departure point for research in economics

I hope this is the place to ask this question. I am in the first year of PhD in economics. As most of PhD students in economics, I try to show some economic mechanisms by theoretical modelling in ...
484 views

### Consequences to lending and value of national currency from a negative interest rate and 140-year mortgages in Sweden

According to an article at Yahoo Finance, the Swedish central bank dropped its zero interest rate to -0.1 percent a couple of days ago (the article is dated to Thursday, February 12th, 2015). Now, ...
2k views

### Why can't countries print another country's currency?

Counterfeiting money is clearly a difficult thing for individuals, but surely a country should have no problems counterfeiting another country's currency. Why don't countries do it? For example, for ...
135 views

### Predicted recessions that never happened

It seems generally accepted that recessions are hard to forecast, in both onset and intensity, but the bias seems to be toward rosy outlooks: The main finding is that, while forecasters are ...
157 views

### If the price of oil and energy goes down, why does CPI go up?

Today, StatsCan revealed that Canada's CPI rose by 1.3%. They are attributing it to lower energy prices, led by the fall in the gasoline index (down 12.6% since one year ago). From my understanding, ...
197 views

### What is Islamic Banking?

What is "Islamic banking," and how is it similar to and different from banking as it occurs in the U.S.? I have heard Shariah Law prohibits usury, the taking of interest on loans. How do Muslim ...
630 views

### How does lowering a corporate tax rate benefit a nation?

When governments talk about about lowering corporate tax rates they claim there is benefit in one form or another. The problem is the mechanism of how the benefit can work is never explained. The ...
10k views

### What is a rational consumer?

There is a lot of debate on whether or not consumers and investors are rational. Unfortunately, I haven't seen much qualification for what is called a rational consumer. What are the requirements ...
1k views

I already read and ask NOT about pp 52-54, Principles of Microeconomics, 7 Ed, 2014, by N Gregory Mankiw. I understand such numerical examples that corroborate Comparative Advantage, but how can I ...
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-...
3k views

### Linear Expenditure System of Demands, Derivation Help

This problem I am working on comes out of--surprise--the Mas-Colell book for graduate micro (3.D.6). I think I have correctly used the FOC of the Lagrangian of the utility maximization problem to ...