# All Questions

2,209 questions with no upvoted or accepted answers
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14 views

### Is IP theft more severe in China than in other developing countries?

Why is the media making such a big deal over IP theft in China if it's not more severe than in other developing countries? So is it the case that IP theft is more severe in China than in other ...
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### Brownian motion - expected value

Could somebody explain why the expected value of Brownian motion is zero? Why is it important in economics? Thanks!
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### Feature Scaling before applying Cubic Splines?

Should I standardize my features before applying Splines? More specifically, I am running the following code to transform my features: ...
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### If all of LATE (Local Average Treatment Effect) assumptions is satisfied?

I would like to know intuitive and specific interpretation of LATE. If all the assumptions for LATE is satisfied, we can say that the Instrument Variable (IV) has an effect to estimate X on Y. Also, ...
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### Firm Cost Minimation

I am so confused at the moment as I can't seem to figure out whether MRTS (i.e. the slope of the firm's isoquant) is MPL/MPK or MPK/MPL. At first I thought I cleared it up as it would probably depend ...
186 views

### robinson economy with production

Facing a little bit of a problem with this questions, did a similar one BUT the utility function was not linear and got MRS dependent on goods (was not just a number) - here I am at a loss. The ...
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### Is the relationship between cost and value typically logarithmic?

Consider the comparison of two new cars. One costs \$250k and the other \$25k. One would naturally expect the quality (value) of the \$250k car to be greater than the \$25k car but does economics have ...
51 views

### Intermediate demand vs. Intermediate consumption

I am trying to understand what's the difference between intermediate consumption and intermediate demand. The context is the European System of Accounts, which says that intermediate demand is the ...
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### Definition of Heckscher-Ohlin free trade equilibrium

Does anyone know the mathematical definition of the Heckscher-Ohlin free trade equilibrium? Using real analysis methods!
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### Using Gretl for ARCH model

How to forecast of volatility with use ARCH model in gretl? Because if I use function "gig" I get non positive coefficients for ARCH(2), ARCH(3),...
77 views

### Decreasing and increasing returns to scale question

Hi, I have deduced that this function exhibit increasing returns to scale but I am not sure how to verify part d. My answer doesn't show that there is decreasing returns to scale but I can't be sure d ...
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### Demand-pull inflation versus going up aggregate demand curve

From what I understand, the AD curve on the AD AS model represents how the price level and real GDP will change when the AD increases or decreases. So if you go up the AD curve, the price level ...
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### Is there empirical evidence that (sales or income) tax rates affects GDP growth?

We often hear in the media and from politicians that tax cuts stimulate economic growth. The theory would probably be that less taxes give people more money in theri pockets. With this money they ...
10 views

### Why does a leaseback remove the need to value the poisonous assets?

Robert Peston | 10:40 UK time, Friday, 16 January 2009 Burt is proposing a sale-and-leaseback of toxic assets. Which probably sounds like gobbledegook to you. [1.] So I'll address it in more detail ...
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### wage/productivity, what does it show

I just confused about the fact that does wage/productivity show the wage gap? So if wage/productivity is the wage gap then by the increase in productivity the wage gap should decrease as the ...
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### Generating Variable frequency

I three variables, zipcode, date (month_year) and name of an installer. I need to generate: 1- a new var that is equal to the number of repetitions the installer name is repeated in month_year and in ...
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### How does a consumption shock decrease the real interest rate?

If prices/wages are flexible, with a negative shock to consumption, for example, I have heard that the real interest rate should fall to keep the demand constant (since consumption is decreasing in ...
53 views

### Homogeneity in Marshallian demand function

I have worked out the expenditure function for a Marshallian demand function, R represents a fixed cost and the questions asks about why the expenditure function is unusual. The answer explains it is ...
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### How to approach such question of two periods and asymmetric information game?

There are two players 1 and 2, playing a two-period public good contribution game. The benefits from the public good per-period to each player is $b_1$ and $b_2$ respectively, which are common ...
18 views

### microeconomic model of software agents?

I am wondering whether there is a microeconomic analysis of software agents. There seem to be parrallels between software agents, or more generally, programs, and topics in economics: principal ...
28 views

### How to interpret RTS in Stata?

I want to study the efficiency of banks using Data Envelopment Analysis (DEA). When I run an output-oriented DEA based on the variable return to scale I get CRS, VRS, NIRS and SCALE efficiency with ...
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### Mankiw, Romer & Weil: Estimating Implied Alpha & Beta

I am replicating Mankiw, Romer & Weil (1992) with data from 1995 through 2015, and I wondering how they estimated the implied alpha and beta. Thank you, For those curious, the paper can be found....
21 views

### How are preferences related to relative prices?

For instance, across regions of a country or between countries. Is that different preferences for food lead to distinct relative prices in different regions or countries? Or is it the other way ...
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### GARCH(10,10) model

I try to find an easy and understandable description of How to calculate a short-term variance in garch model, when p and q are not equal 1. Let's have a look at this video: https://www.youtube.com/...
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### Stock market's obsession with growth of all companies?

I understand the stock market is a useful place to gain capital which allows further growth of a company. But it seems to me that even companies that have been on the stock market a while, appear to ...
183 views

### What is the opposite of debt?

In trade, the opposite of trade deficit is trade surplus. In other words, the negative deficit is called surplus. And then, what is the term for negative debt? Say for example Bank A owes 5 million ...