# All Questions

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### Research problems related to green financing or financial aspects of green technologies in green (smart) and sustainable cities

I am an Economics major interested in Economics of sustainable development. I want to carry out my research on Smart (green) cities and their financial aspects. I am not able to frame a proper problem,...
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### Input-output analysis, modern day example!

I have been researching industries for a module at Univerisity. I have come across Leontiefs, input-output analysis matrix and watched a good video on youtube: https://www.youtube.com/watch?v=...
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### Gambling is rational

Assume 10pct income growth per year. Annual lottery is 1 with 100 reward and 1 in 200 odds. Ticket price and winnings increase with growth. Buy 1 ticket every year. After 200 years 2b has been spent ...
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### Long term effects of open technology through makers and fablabs

Are there studies on open technology effects, not just open source code but open hardware as well? For example, there is a community working on a 3D metal and glass printer to print solar cells and ...
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### Two Endogenous Variables and Two Instruments

I have a model $Z = \alpha X + \beta Y + \gamma C + \epsilon$. I am interested in the relative effects of $X$ and $Y$ on $Z$. However, $X$ and $Y$ are endogenous. I have identified two instruments $X'$...
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### Group-level random effect correlated with within-group independent variable

Dear StackExchange community, Question: According to, e.g., Wikipedia, random effects models assume "that the individual specific effects are uncorrelated with the independent variables." I ...
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### Gelman and Hill's Data on Effects of Child Support Enforcement

In Gelman and Hill's 2007 book, Data Analysis Using Regression and Multilevel/Hierarchical Models, chapter 11 begins the exploration of multilevel models. To do so, they introduce a data set that ...
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### Lagrangian: when to discount budget constraint?

I am getting a bit confused about setting up the Lagrangian in intertemporal constrained optimization problems. The confusion is as to when is the one-period budget constraint multiplied by the ...
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### Anti Piketty Confusing Movement Along Demand Curve with Shift

In Anti-Piketty, the author's claim that the statement "If the supply of any good is insufficient and it's price is too high, then demand for that good should decrease which should lead to a decline ...
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### Effect of taxes/business confidence on real wage

The sample quiz that was given by a professor includes a section about real wages which wasn't mentioned in class or in the textbook. I also searched online, but didn't find anything. The question is ...
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### Printing Money vs. Issuing International Bonds

I'm reading Niall Ferguson's The Ascent of Money and I had a question about the economic difference between printing money vs. selling bonds to foreign entities. At one point in the book, the author ...
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### who is responsible as international court to solve economic conflicts between countries and is it obligatory?

you know turkey was one of the 7members of F-35 joint strike fighter program..its engine is being manufactured in turkey.turkish government made all legal obligations to program and paid 35 billion ...
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### Question related to conjoint analysis

I am studying for an exam in marketing, and there's the following sample question: The main reasons that people choose products in category X is: 1. Brand 2. Price. Where the importance ranking is 50%...
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### Cons of printing more money but not injecting in the system directly

So I don't know if this might be the right place, if it isn't I'd appreciate if anyone can link me to the right place. Anyways here is the question. I've read up on what are the cons of printing more ...
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### What is a good way to generate realistic utility curves?

I am aiming to program a basic simulation of a simplified economy to look at the impact of various interventions. The economy will have N groups of homogeneous consumers and M producer / employer ...
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### What policies are in place to police financial speculation in the modern era?

Maynard Keynes in section VI in chapter 12 of his General Theory of Employment, Interest & Money writes: If I may be allowed to appropriate the term speculation for the activity of forecasting ...
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### Do you find S&P,moodys and fitch ratings reliable?

These 3 sisters could not guess 2008 mortgage crisis and i think they are giving credit notes in politic and ideologic ways not on economic basics..do you think the same?why or why not? i need your ...
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### how will 3D printers make manufacturing easy? [on hold]

i have an machine engineer friend who is also good at auto repair mechanical works as edd china of discovery channel's wheeler dealers.his father was also a legendary car mechanic who worked for niki ...
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### How does the cost of switching over to green energy compare to the cost of the war in Iraq?

How does the cost of switching over to wholly green technology in the US at current prices and at current technology without factoring in possible improvements in efficiency or technology solely in ...
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### Keynesianism and infrastructure

If recessions are caused by capital deflation then capital investment eg infrastructure projects will make the problem worse
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### Do mechanisms always result in a series of strategic games being played out?

Mechanism design is an offshoot of game theory, and many call it "inverse game theory", since it involves the use of incentives to ensure that the end result of the game being played out is beneficial ...
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### What are some examples of indirect mechanisms that are not auctions?

I'd like to know if there are any examples of indirect mechanisms that are not auctions. Auctions seem like a very controlled environment. I'd like to see some examples of indirect mechanisms "out in ...
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### I am looking for texts on public economics

I have recently started a class on policy analysis. I am very new to this field of economics and a lot of the course seems to assume prior knowledge. For our first essay topic we are required to ...
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### A few questions in paper Chong 2007

I think it is hard to derive Eq(5) in paper Chong (2007). (http://www.bgu.ac.il/~grade/inst_ineq.pdf) Could anyone share any ideas on its derivations or intuitions behind it? Let's discuss it in more ...
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### prove that $M_xM_1 = ?$

Let $\mathbf{y} = \mathbf{X_1}\mathbf{\beta_1}+\mathbf{X_2}\mathbf{\beta_2}+\mathbf{u}$. Let $\mathbf{X} = [\mathbf{X_1} |\mathbf{X_2}]$. Define $\mathbf{M_i}$ to be the complementary projections ...
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### Utility and consumption tax

If I have a model with taxes on consumption denoted $\tau$ should I write the utility function as $u(c)$ or $u((1-\tau)c)$? Thanks
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### Behavioral Economics Questionnaire

we want to divide our participants in an online-survey into emotional and rational decision-makers in financial actions and couldn't find any questionnaire to measure the style of decision-making in ...
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### Including definite integrals inside definite integrals - Crossposted from MathSE

This question is cross-posted from MathSE: link I have the following differential equation from a journal article: $\dot{g}(t) - \delta(t)g(t) = -H(t) --- (1)$, which is integrated between t and T. ...
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### 2 firms production decision for one agent

I'm trying to solve the optimal production $\{x,y\}$ for a risk neutral agent with weight $w$ in firm $X$ and weight $1-w$ in firm $Y$. Each firm has marginal cost $c^X$ and $c^Y$ respectively. The ...
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### Is there an economic theory that explains what happens when a market is saturated with a precious resource?

The theoretical situation is this. What if a record breaking amount of platinum were discovered. What would happen to the economies that use, store, and/or produce platinum? I would like to apply ...
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### How Africans use their wages?

I was researching poverty in Africa and was reading about their daily wages. Based on the article linked, 2/3 of Africans live on less than \$1.25 USD, a day. However, what this article and many ...
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### Feasible changes in legislation to motivate Fortune 50 to move to Mars - tax free zone?

On world building SE smb proposed to make Mars a tax free zone. Given all fortune 50 companies invest to set up a Mars colony for their HQ, what is ROI until tax free operations?
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### When is a Leontief production function well defined?

For a function f(x1, x2) = min{αx1, βx2} with w1 and w2 equal to 1 and p > 0, when is the function well defined? Also, how do you find the Input Demand Function, Output Supply Function, and Profit ...
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### Unit root tests on macro series data

It is my impression that we seldom apply unit root test on macro series data in recent papers. Is this correct? If so, is there a reason for this?
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### Why is the stock market always rising?

I asked myself: How is it that the stocks are always rising? How is money generated every year so that the value of a company rises? I mean, at some point there is a finite amount of money in the ...
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### Zero-sum games being converted into positive-sum games

It seems as if "pure, naked self-interest", that is, self-interest without liberty, results often in a zero-sum game. (I'm using the term liberty in a Lockean sense, where it is taken to mean the ...
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### Laffer curve in one period economy

Let us consider a perfectly competitive one-period production economy consisting of one firm, N>0 household(s) and one government. Each household is endowed with x unit(s) of physical capital and with ...
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### One period question [closed]

IF I will post one period economy question in macroeconomics, will you answer it? Since I could not see any question related to one period economy in this site, and since question with my answer is ...