# All Questions

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### Can I refine the set of equilibria in a signaling game to the sender-optimal outcome?

Main question: I've been reading about communication games a lot, and I'm wondering if there are good criteria to select between two separating-ish equilibria. I think of a separating equilibria as ...
727 views

### What metrics would indicate a house bubble rather than genuine market values?

There are concerns that Auckland, New Zealand, is currently experiencing a housing bubble. Auckland is one of the top 10 cities in the world on a housing unaffordability index. The question is - ...
4k views

### What did “18/9”, “25/”, and “30/” mean in this 1800 British document?

In "The Petition of the Master Taylors of London and its Vicinity, December 1800" (reproduced in Galton, 1896), it is stated the wages and allowances ... were accordingly settled at the ...
17k views

### When do supply and demand curves shift?

Let's assume that the price of apples has risen and that the quantity of apples sold during the last couple of weeks has decreased. From that, we can infer that the supply curve must've shifted to the ...
1k views

### References to learn continuous-time dynamic programming

Does anyone know of good references to learn continuous-time dynamic programming? The references don't have to be books. They could be links to online resources as well. Links to clear, concise ...
500 views

### Price discrimination- how much is optimal?

I am of the understanding that as a general rule, price discrimination does not benefit consumers. Yet I can think of a situation where it does. Look at two countries, Australia and India. The price ...
385 views

### Can econometrics test for correlation or causality between prices and corruption?

This week there was news that some prices are rising. I heard that in some countries where corruption is high the prices are also higher. I wonder if there is causaility or just both at same. It would ...
293 views

### Self-selection bias during the course of experiments

Suppose you are running a randomized experiment to assess the effect of $X$, say some training program for unemployed people, on $Y$, say the chance of finding a job in the coming year. Suppose also ...
4k views

### Is scalping tickets harmful?

IMHO, scalping tickets is no different from legitimate arbitrage unless manipulative. Iirc, arbitrage increases surplus and hindering scalping is setting a price ceiling which leads to deadweight ...
279 views

### Influential Theory in the Economics of Poverty

As far as I can tell, research on the economics of poverty is very empirically driven, and this is probably appropriate. What kind of economic theory has been developed though? I'd also be interested ...
12k views

### Solow Model: Steady State v Balanced Growth Path

Okay, so I'm having real problems distinguishing between the Steady State concept and the balanced growth path in this model: $$Y = K^\beta (AL)^{1-\beta}$$ I have been asked to derive the steady ...
622 views

### What are some good repositories for economic data

Economic data is a very broad concept. It can include discrete preference relation data-sets as well as extensive time series data. But it is important that theories are tested against data, and the ...
632 views

### Collusion and number of firms

How would you answer the following question? You work for a CEO of a large firm. He says to you, "In my experience collusion is less likely to be sustained as the number of firms in the market ...
927 views

### Why isn't the cost of shoes affected by their size?

I have noticed that many shoe selling shops I have visited have the same price tag regardless of the shoe size. Intuitively I'd think the bigger the shoe the more material and consequently capital ...
21k views

### How does a country devalue its currency?

I recently read an article in the New York Times that talked about China devaluing its currency (which I believe is held to a peg against the US Dollar). My question is: specifically what tools does a ...
2k views

### Open access datasets for teaching IV regression

I am looking for a dataset to show (to a group of engineers) how the instrumental variables technique is used in econometric practice. I could always make up my own data, but I think it might be ...
17k views

### Outputting Regressions as Table in Python (similar to outreg in stata)?

Anyone know of a way to get multiple regression outputs (not multivariate regression, literally multiple regressions) in a table indicating which different independent variables were used and what the ...
21k views

### What is the definition of “First Best”, “Second Best”, etc. in contract theory?

What is the definition of "First Best", "Second Best", etc. in contract theory? Especially, what is the difference between "First Best" in contract theory and "ex-post efficient" in mechanism design?
1k views

### Did previous researchers fail to detect the hot hand simply because of a statistical fallacy?

Many basketball fans/players believe that having made several shots in a row, the next shot is more likely to go in. This is sometimes called the hot hand. Starting (I think) with Gilovich, Mallone, ...
13k views

### What is an example of a utility function where one good is inferior?

Say the consumer has a standard convex, monotonic preference over Apples and Bananas. (Update: I'd like the preference to be as 'standard' as possible. So ideally we have diminishing MRS everywhere ...
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 ...
385 views

### Are there any states that don't have debt?

I've not been able to find any states that don't have debt to other states. This, to me at least, seems really strange. Are there any nation states that are not in debt to other states, if so which ...
713 views

### Intuitive explanation of $S(p,w)\cdot p=0$

Can anyone provide an intuitive explanation of why the Slutsky matrix right multiplied by the price vector yields a zero matrix? I know this is true but I do not really understand why it is true. ...
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 ...
428 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 ...
358 views

### What are the recent advancements in building a unified theory of bounded rationality?

It seems that bounded rationality models focus on explaining a particular psychological bias, in a very specific way. In particular, its seems that the state of the art consensus is that one size does ...
6k views

### Productivity vs real earnings in the US — what happened ca 1974?

Somewhat related to the most recent US elections, I've been researching the whole "white working class" situation, and one strange anomaly has popped up. When one looks at a graph of productivity (...
2k views

### Under what conditions is a monopoly undesirable?

First of all, I realize that "undesirable" is an ambiguous term. So, to clarify, when is a monopoly undesirable under the following metrics? Pareto efficiency Reduces consumer surplus Social Welfare (...
855 views

2k views

### Macroeconomics Textbook on New-Keynesian models

I'm looking for textbooks that explain the New-Keynesian models, without taking shortcuts on the mathematics, that would go in depth on the derivations of the formulas. I appreciate rigour, and ...
2k views

### How is it possible that all currency exchange rates are fixed w.r.t. to each other?

I wondered if it would be beneficial to exchange a currency through one or more "in-between" currencies. For example: instead of trading Russian Ruble (RUB) to Euro's (EUR), one would trade from RUB ...
843 views

### Game theory for showing interest and availability when dating

The more cynical (or perhaps realistic) of us would argue that there's a fair amount of game theory going on in the dating game. For example a classic ploy is 'Don't ring for three days, because you ...
846 views

### What is the evidence that econometrics has empirical value?

Economies are extremely complex systems with many variables, not to mention the fact that they emerge from the interactions of complex beings. I agree that economies have certain underlying principles,...
171 views

The basic idea of Schumpeterian Business Cycles is that new technologies require creative destruction but will yield positive growth. These two opposing forces have impacts onto the real economy at ...