# All Questions

10,296 questions
Filter by
Sorted by
Tagged with
3 views

### Supply & Demand Modeling in Trucking/Freight

I have a dataset containing weight of freight, spend, mileage, and revenue per mile and I am trying to see if I can roughly create supply and demand curves from this data. I have multiples weight by ...
27 views

### What effect has the 30% increase in money supply from Feb-June of 2020 had?

I commented on a previous question that this is probably a better one. Old question Generally speaking, how has the CARES act stimulus package affected the macroeconomic state of the US? Everything I'...
7 views

### Coefficient of Determination with Weighted Coefficients

I want to compare coefficients of determination (i.e., $R^2$) of the following two models. $fe_{t+h}$ is a forecast error in $t+h$ and $\mathbf{\varepsilon}_t$ is a shock of interest occurring between ...
10 views

### How is the GINI coefficient half the relative mean absolute difference?

I've tried to derive a proof myself and have looked through a lot of sources but can't seem to find an understandable mathematical explanation/proof for why this is the case. I found one at(https://...
38 views

### How much real value has the stock market lost since Feb. 2020?

In this question I'm using the Vanguard Total Stock Market Index Fund(VTSMIF), which for my purposes I find to be a sufficient indicator of the US market as a whole. (Please explain why this isn't an ...
21 views

### Self study on Microeconomic theory book

I am attempting to learn Microeconomic theory book by Mas-Cole’s, Whinston and Green by myself. I am finding it bit complicated and time consuming to follow. If someone could suggest me a video ...
23 views

### Identifying assumption meaning

I am hoping to get a good explanation regarding what is meant by an identifying assumption. In many articles, under empirical strategy, authors state that: we exploit firm level variation to identify ...
14 views

### How to Interpret Coefficients in Regressions on Filtered Varaibles?

Suppose you have a logged variable $y_t$ which is comprised of a trend component $\tau_t$ and a cyclical component $c_t$. Thus: $y_t=\tau_t+c_t.$ Then you apply a filter to that variable to extract ...
24 views

### Most outsourced industries of USA?

Which industries reduced the most in the USA as a result of outsourcing and trade deficit ? Maybe textiles is one of them. I heard about a rust belt. Which ones are the others?
216 views

### Multi-item Auctions in Mechanism Design

I'm new to auction theory and only started reading it a few days ago. My question is this: Is it possible to design efficient auctions of multiple non-identical items? By efficient I mean maximize the ...
56 views

### Why may printing trillions of dollars not lead to inflation?

By definition, inflation should be affected by the increase of the money supply. During the pandemic, there have been numerous huge monetary policies executed, e.g., quantitative easing (QE), ...
50 views

### Why is the U.S. birth rate considered below replacement if more people are being born than are dying annually?

In 2018 there were 3.85 million births and 2.81 million deaths. My understanding is that the U.S. birth rate is near or below replacement rate, but I don't understand why. If more people are being ...
12 views

### Investing and crises [closed]

i wish you're doing great. I was wondering, what would be the best projects to invest in before predicted crises or at the start of crises (context : 3rd world country, oil producer and exporter, ...
56 views

### How do I obtain a correlation between two variables?

Can I differentiate a quadratic regression model formula with the form $$Y_i=\beta_0+\beta_1 X_{1i} +\beta_2 X_{1i}^2+\epsilon_i$$ (added to this formula would be other control variables e.g dummy ...
22 views

### Does inflation equal change in M1 or M2?

According to monetarism, inflation can be predicted precisely by the change in money supply and GDP growth. Does "money supply" here refer to M1 or M2, i.e. does it include debts created by ...
34 views

### Must a EU bank pay 500€ to the ECB, if I deposit 100k€ into that bank?

Given that the current ECB reserve rates are negative (-0.5%), I suspect that if I deposit 100k€ into a EU commercial bank, that bank must in turn deposit my money at the ECB and pay 500€/year to ECB (...
26 views

### Interpretation of Difference-in-Differences Regression Results when Only the DID Coefficient is Significant

I have a standard DID regression of the form: Y= β0 + β1*[Time] + β2*[Treatment] + β3*[Time*Treatment] + ε where Time is a dummy equal to 1 for period after policy change and Treatment is a dummy for ...
18 views

### Explaining negative “cyclic” unemployment with a production function

First of all, here is a related post. Unfortunately, it does not answer my question. I have heard that there is an understanding of negative unemployment in economic theory. Obviously, absolute ...
29 views

### The Dumping Argument and Trusts

I have often heard the following argument against the antimonopoly/anticollusion law: Whenever the entrepreneurs decide to enter into "illegal" collaboration, each one has an opportunity to ...
34 views

### Max of a profit function: partial derivative of an integral function?

I am struggling with the maximization of the following profit function in a New-Keynesian model. Here there is the FOC. \frac{\delta}{\delta Y_t(i)} P_tY_t- \int_0^1 P_t(i)Y_t(i)di = \frac{\delta}{\...
24 views

### Why is the definition of opportunity cost “the benefit of the best alternative choice” but not “the benefits of all alternative choices combined”?

What is the rationale behind it?
67 views

### Would a fair distribution of wealth from the super rich increase the purchasing power/life quality of the average person?

I will start by saying that I do not have any background in finance and that the following question might be very much naive, but it has been bugging me for a while now. The general narrative seems to ...
17 views

### Is there a per country estimation of the GDP drop due to COVID?

I've been looking around for some per-country estimation of the expected GDP drop due to the COVID pandemic. I've found this answer in this site but it only mentions a few countries. I understand not ...
34 views

### Why have so many legitimate smaller biotechs sprung up and thrived?

I lit upon this question on r/AskScienceDiscussion, but I'd like to ask it from a microeconomics or competition standpoint. Why can't Big Pharma accomplish what legitimate small biotechs have? ...
36 views

### Are rational expectations in economics purely forwards looking, or can they have backward looking components?

Are rational expectations (Muth, Lucas, Kyland and Prescott) in economics purely forwards looking, or can they have backward looking components?
20 views

### Why might it make sense to buy bonds in a company facing restructuring?

In this video, Sal Khan states, "If you really thought that Lehman Brothers in the long term was going to come back, what you might want to do is somehow try to become one of its bondholders, and ...
20 views
+50

### How does profit correlate with the duration of options?

To wit, do you profit more off options, the shorter-term they are like 0 DTEs? I know that option premium correlates negatively with duration. Pre-suppose you're "playing earnings with options&...
23 views

### Why can't there be a universal basic income for all? [closed]

Where nobody is rich or poor. I don't like capitalism Please explain.
16 views

### How would Russia winning the COVID19 vaccine race impact its economy? [closed]

According to reports (see links below), Russia may be the first country to declare victory in the race for a COVID19 vaccine and distribute it on a mass scale. Whether they will be or won't be, isn't ...
46 views

### What is the different between a Sales Tax and a Value Added Tax?

The USA has a sales tax which is applied at the point of sale, in states which have a sales tax. During the Democratic Party primaries, one of the candidates, Andrew Yang, proposed moving to a Value ...
24 views

### Resources on effects of transactions building in externalities

In theory, a nation could build the full economic cost of externalities, be they positive or negative, into a wide range of transactions. Are there any comprehensive resources on the effects this ...
10 views

### What are the different use cases in economics for the different definitions of unemployment published by the Bureau of Labor Statistics?

The BLS releases the unemployment rate in the United States once every month. This unemployment rate (officially U-3) is defined as the total unemployed as a percentage of the the total civilian work ...
25 views

### What industries, if any, are best when nationalized/government-run?

In free-market economics, private firms are said to be more efficient and better for consumers as competition between private firms in an industry breeds innovation, low cost (for consumers), and ...
20 views

### What steps can a country (or island) take to prevent another Turkey? [closed]

I'm hearing a lot about what's happening to Turkey and its economy. High inflation, meager foreign currency reserves. Sounds like normal economic issues any other country can face. What steps can a ...
42 views

### Are there some examples of theoretical models that discuss pandemics?

I am looking for some papers/references that showcase theoretical economic models that incorporate pandemics. Most work seem to be purely empirical. Does anyone know of some papers that try to model ...
26 views

### Why does the same parameter estimate change in multiple regressions?

I have a set of results from a multiple regression table with four columns. In each column, a new variable is added. Why, however, is the initial variable coefficient different in each column? Is it ...
23 views

### Could the negative economic effect of quarantining lower the life expectancy more than the COVID-19 virus in Australia?

Life expectancy of a country's population is somewhat tied to its economic prosperity. The below chart shows the relationship between Per Capita GDP (Average wage per person roughly speaking) and ...
107 views

### Is marketing a field of economics?

I would argue that the marketing (or de-marketing as in the example of a recall) of goods and services is an implementation of knowledge and experience in microeconomics as it deals with the practical ...
21 views

### What are some interesting papers using Machine Learning in economics/finance?

I'm about to write my Master's thesis, and I'm really interested in Machine Learning. Do you know any interesting applications of Machine Learning in economics? And preferably, in Finance? Doing my ...
33 views

### Can You Use Filtered Variables in OLS?

I have two variables that are non-stationary and contain stochastic trends. I used the Hamilton filter( an improvement over the HP filter) to remove the trend and isolate the cyclical component. My ...
19 views

### Negative Risk Free Rate Sharpe Ratio

currently I am writing my Master-Thesis about SRI-Fonds. For analysing Sharpe Ratios from different Fonds I need to use the risk free rate (e.g. Euribor 3M). Unfortunately I can‘t find anything about ...
12 views

### Brazil and the Structural Change Theory

Really need help with my economic homework, I'm trying to link the structural change theory to Brazil's economic development?
48 views

### When the global optimal is outside of the constraint set, what will be the demand?

$u:\mathbb R^n\to\mathbb R$ is a quasi-concave utility function so the indifference curves are convex. $a,b\in\mathbb R^n$ are two points. Our budget set is the (one-dimensional) segment $[a,b]$ that ...
34 views

### Can affordable public housing be sustainable? [closed]

Can a government have a strong public housing sector that is sustainable? (making a small profit instead of requiring taxpayer money) Say you start with 10,000 apartments and rent them at an ...
30 views

### If Lebanon has a shortage of dollars, are USD donations meaningless?

I was reading about the dollar crisis in Yemen the other day, which mentioned that even people who owned dollars couldn’t withdraw them. If the situation with Lebanon’s currency is similar, what ...
23 views

### Search terms to find a menu of currency exchange mechanisms?

I'm look to find a good source for comparing mechanism designs for simple currency exchanges. Is there a name for a category of game (e.g. Stackelberg game) that encapsulates the operation of an ...
35 views

### connection between foreign assets and trade surplus / deficits

I am reading Piketty's "Capital in the 21st Century" and in Chapter 5 he writes "Furthermore, the evolution of a country's net foreign asset position is determined not only by the ...
25 views

### What is homebody economy?

What is this thing named homebody economy? It seems to be related with the virus It refers to working at home or maybe at online shopping?