# All Questions

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43 views

### Research on the link of QE and increased economic activity

Im looking for good literature of quantitative easing and the effects on economic actitivty. from a modelling perspective Any empirical research? What I am thinking of, is how much of an effect ...
443 views

### Converting word definitions of Pareto-Optimal into math symbols

I'd like to have a mathematical version of the following two definitions just because I remember symbols better than words. But I lack the math prowess to convert them from words to symbols. Can ...
474 views

### What to do for missing points in CPI time series?

I am looking at CPI datasets for developing countries which have gaps in them. For each country I have two time-series with annual averages for years 2000-2013: i) General/Overall CPI and ii) Food ...
398 views

### Normalizing comparisons of corporations and countries

When publicly-traded corporations reach record valuations, articles in the media often compare such valuations to the GDPs of countries throughout the world, typically in the form "Company X's ...
36 views

### Ratios to determine company's current purchasing power

what are the parameters which will affect a company ability to buy a new product based on its current financial situation. Is there any metrics or ratios which will tell the current company ...
287 views

### Present value of a payment

Suppose I've just won 1'000'000 dollars in a game show. At the end of the program they tell me that they will pay me the prize as following: they will deposit in my bank 50'000 dollars every year for ...
181 views

### Random Choice interpretation

Due to McFadden Economists usually interpret Random Choice, in the population sense, as each DM being drawn from the probabilistic choice rule independently and identically. However, Psychologist have ...
91 views

### Multiplicative factorization of stochastic growth time series--solving for an eigenfunction/eigenvector

I'm trying to understand the tools used/presented in Lars Hansen's Econometrica paper "Dynamic Valuation Decomposition within Stochastic Economies." In a part in the paper, Hansen introduces a long-...
508 views

### Generalization of the Heckscher-Ohlin Model

The Heckscher-Ohlin Model is normally presented for the case of 2 countries, 2 factors of production and 2 traded goods, leading to statements that, subject to free trade and various other assumptions:...
49 views

### When using consumables consider the purchase or market price?

Say I use two fuels to heat my home (space heating): oil and wood. I purchase both in bulk, at a price decided at the time of purchase. Wood is cheaper per kWh, but I purchase both because oil has ...
600 views

### How do you find marginal revenue if you don't have a production function?

I was given a word problem. No formulas. So I set up the following equations: Demand Function $$D(p) = a - p$$ Cost Function: c(q) = 9 + 10q \end{...
59 views

### How can I write a conditional expectation of finite state markov process in matrix notation

NOTE: This question is related to the econometric method explored in the following two questions: Multiplicative factorization of stochastic growth time series--solving for an eigenfunction/...
177 views

88 views

### How do I distinguish price-taking in perfect competition from monopsony?

I'm working on a practice problem where I'm giving the following: Suppose a firm is a price-taker and can sell the good it produces at price $p$. There is more to the problem, but it is not ...
124 views

### Are symmetric equilibria continuous with respect to the payoff matrix?

Assume a two player symmetric game where the payoff for the row player is given by:  A = \left( \begin{array}{cc} a_{1,1} & a_{1,2} &\cdots & a_{1,n}\\ a_{2,1} & a_{2,2} &\cdots &...
12k views

### Difference between 'surplus' and 'welfare'

I see these two terms used interchangeably but I have the feeling they are not exactly the same. My gut feeling tells me this: 1) Surplus is the additional aggregate utility from the existence of one ...
771 views

### What is Production Possibility Frontier (PPF) diagram drawn on consumption-leisure?

When explaining basic macroeconomics model involving consumption-leisure tradeoff, often diagram showing production possbility frontier (PPF) is drawn with leisure on x-axis and consumption on y-axis. ...
1k views

### competitive equilibrium, Walrasian equilibrium, Walrasian auction

There are several sellers holding some indivisible goods, and several potential buyers with different valuations for these goods. I need to calculate the Walrasian equilibrium in this scenario, but ...
42 views

### Macroeconomic formulas for global limited raw material economy exist?

Macroeconomics basic formulas are referring to a model in which the raw material are unlimited. Also the efficiency of production is a consequence of the pressure done by consumers (that buy the most ...
362 views

### Does economic theory support the notion that the wealth of the wealthy is based on the poverty of the poor?

Almost any discussion about poverty and wealth and income inequality at some point includes arguments based on the premise that the wealth of the wealthy is causally related to the poverty of the poor;...
68k views

### What is the difference between intensive margin and extensive margin in labor economics?

What is the difference between intensive margin and extensive margin in labor economics, or general RBC model, where we talk about labor-hours supplied changing with extensive margin or intensive ...
143 views

### What would happen if the entire world switched to the 4-day work week? [closed]

What would happen if the entire world switched to the 4-day work week? Specifically would someone's quality of life drop significantly in a developed or a non-developed country?
64 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 ...
173 views

### Is Dollarization a good decision for a small open economy with an economic cycle that weakly correlates with the anchor country?

I have been reading the work of Alesina http://scholar.harvard.edu/files/alesina/files/dollarization.pdf, about the pros and cons of dollarization (i.e. adopting the currency of other country, say the ...
249 views

### Collusion model with imperfect public monitoring

It is well known that consumers' intertemporal incentives may play a key role on the potential of firms to sustain collusion. To my knowledge, most previous efforts studying the topic have assumed ...
570 views

### Oligopolistic producers and retail price wars

Consider an industry with few producers selling differentiated products. The products must be sold through retailers of whom also there are a few and who therefore possess some degree of market power. ...
60 views