# All Questions

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### Is zero inflation desirable?

Is zero inflation really desirable? To be more precise: Does inflation in real life have benefits that in some situations outweigh its social cost? E.g.: it works as a disincentive against holding ...
33k views

### How can I obtain Leontief and Cobb-Douglas production function from CES function?

In most Microeconomics textbooks it is mentioned that the Constant Elasticity of Substitution (CES) production function, $$Q=\gamma[a K^{-\rho} +(1-a) L^{-\rho} ]^{-\frac{1}{\rho}}$$ (where the ...
7k views

### What is the economic purpose of increasing the minimum wage?

It is generally accepted among economists that minimum wage warps the equilibrium point between the supply and demand of labor by instituting a price floor and increases unemployment for unskilled ...
2k views

### Implications of abolishing Fractional Reserve Banking on mortgages and interest rates

Suppose for a moment that someone with legislative power decides to abolish Fractional Reserve Banking and passes a law that forces banks to only lend the money they own, that is M0. What would be the ...
22k views

### Fundamental equations in economics

For the other sciences it´s easy to point to the most important equations that ground the discipline. If I want to explain Economics to a physicist say, what are considered to be the most important ...
4k views

### How do economies grow?

These days, we hear again and again about the so-called "need" for economic growth. But how do countries actually grow economically? That is, why/how does their GDP increase over time? ...
2k views

### What is the Gross Domestic Product (GDP)?

I suppose GDP is supposed to create a measure of a country's wealth/welfare, something easily indexable. But how exactly is it composed? And is its composition disputed? How good is it at measuring a ...
5k views

### Why is the short run average cost curve not a tangent to the long run average cost curve at the lowest point on the short run average cost curve?

The diagram from the Varian textbook shows that the SRAC curve is tangent to the LRAC curve at a point which is not the bottom of the SRAC curve. It would be really helpful if someone could explain ...
19k views

### How will non-rich citizens make a living if jobs keep getting replaced by robots and are outsourced?

Decades ago a factory job could support a wife and kids until retirement and they offered insurance, benefits, etc. Now, no more unions, those jobs as well as tech and customer service jobs are ...
3k views

### Seminal papers that later were proven to contain errors

I was reading on institutions, and I came across Acemoglu, Johnson and Robinson (AJR) paper on The Colonial Origins of comparative development: An Empirical Investigation, and this paper seemed so '...
4k 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 ...
1k views

190 views

### What amount of Quantitative Easing will cause hyperinflation?

You all know that Quantitative Easing shifts the LM and AD curves right, so I haven't taken the time to redraw this picture. What's the maximum amount of Quantitative Easing that the Federal Reserve ...
14k 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 ...
340 views

### Is it possible that the minimum point of a short run cost curve does not touch the long run cost curve?

In the answer to this question, the answerer said "the minimum point of a short run cost curve will be above the long run cost curve". Is it true? If so, how would it be so? I thought that if e.g. ...
809 views

### Destroying the dollar

Let's destroy the USD dollar: I am the government of a small, economically and geopolitically unimportant country that has its own currency and a local central bank. I order the local central bank (at ...
1k views

### How is the interest on fractional reserve money creation paid?

In fractional reserve banking commercial banks create money when they make loans. When these loans are paid back the account is zeroed, the created money disappears, but the bank is still entitled ...
1k views

### Inflation and economic growth

Noticeable works about the impact of inflation on economic growth are dated back to the 90s. For example, Barro (1995): the impact effects from an increase in average inflation by 10 percentage ...
533 views

### Ricardo's theory of comparative advantage

The aim of this question is to better explore the mathematical economics model behind Ricardo's theory of comparative advantage and the claims that can be made based on this model. This seems ...
9k views

### Consumer surplus in case of perfectly inelastic demand

How do we define consumer surplus in the case of perfectly inelastic demand? This question was inspired by the comments following this answer. For a graph of inelastic demand please also see the ...
264 views

### How does a central bank create the money used for quantitative easing or lowering the value of their currency?

Up until last week, the Swiss central bank used Francs to buy Euros, in an effort to lower the value of the Franc; today the European central bank announced that it would use Euros to buy bonds in ...
77k views

### What is the definition of exogenous and endogenous preferences?

Wikipedia states: Exogenous Preference -- one that comes from outside the model and is unexplained by the model. Endogenous Preference -- preferences then cannot be taken as given, but are affected ...
444 views

### The Case for Basic Income in developed and underdeveloped countries

From what I can tell, the idea of the basic income guarantee is very popular in some circles as an excellent alternative to a lot of modern welfare systems. Has anybody developed a theoretic or ...
34k views

When trying maximize the utility having a cobb-douglas utility function $u=x_1^ax_2^b$, with $a+b = 1$, I found the following formulas (Wikipedia: Marshallian Demand): $x_1 = \frac{am}{p_1}\\ x_2 = \... 1answer 999 views ### When action and strategy differ in game theory It looks like in a static, simultaneous move game, action is used interchangeably with strategy. But when do they differ, say in a more complicated game structure? I am trying to understand the ... 2answers 1k views ### Why is modest inflation a good thing? [duplicate] I have been reading a BBC news article about inflation in the UK, which is saying that inflation has recently become negative (http://www.bbc.co.uk/news/business-33147660). The article suggests that ... 2answers 140 views ### How is the Corona$2 trilion stimulus package going to be financed?

Perhaps this is a simple question but as a non-US citizen I don't understand how the US government is going to finance the \$2 trillion stimulus package to combat the economic damage due to the Corona ...
66 views

### What does the Fed do with their profits?

As far as I understand the system the Fed prints money which it then uses to buy bonds. Bonds are basically statements of debt meaning that the Fed receives interest from the parties it has bought the ...
2k views

### Who exactly foots the bill if Greece defaults

Apologies if the topic is not appropriate (economics newbie here) but I am curious as to who exactly would foot the bill if Greece defaults on the ~300 billion dollars it owes. It looks like most of ...
50 views

### How does investment have a negative impact on the current account (trade balance)?

NX ≡ (S-I) + (T-G) Read this as “the trade balance (net exports) is identical to the sum of net savings (savings minus investment) and the government’s ...
3k views

### Should we expect more structural technological unemployment if growth becomes more limited by natural resources and less by labour?

Technological unemployment, where unemployment arises from (with some oversimplification) workers being replaced by machines, has so far been temporary as new jobs were created that replaced the old ...
4k views

### Where to start learning economics as a mathematician?

I study pure mathematics at university and I'm looking to get into economics, with pretty much no background knowledge about it. Are there good sources to learn from with a decent mathematical ...
2k views

### Book recommendations on empirical methods in economic research and econometrics?

This question is more so geared toward anyone with research experience within economics, though of course, anyone is welcome to respond. I'm an undergraduate math major with a minor in economics. I'...
5k views

### Why do people buy negative interest rate bonds?

I get that people buy long term government bonds, because of how safe it is, and if there would be a recession the government would just print more money and could pay it back. But why would anyone ...
2k views

### What is the difference between “aggregation” and a “representative agent?”

What is the difference between "aggregation" and a "representative agent?" I'm sorry if I'm not entirely clear on this question, but that's why I ask. It seems to me as if a representative agent is ...