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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,...

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=...

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 ...

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 ...

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 $X'$...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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%...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

If recessions are caused by capital deflation then capital investment eg infrastructure projects will make the problem worse

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 ...

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 ...

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 ...

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 ...

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 ...

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

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 ...

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. ...

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 ...

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 ...

I have a problem to be maximized with the following program $$max\int_{0}^{\infty}\left\{ u\left(C\right)+\beta S^{\chi}\right\} e^{-\rho t}dt$$ s.t $$\dot{K}=AK-C$$ $$\dot{S}=\left(1-S\right)S-\...

My question is simple: in theory, why should we expect the total quantity that firms want to sell to be (at least approximately) equal to the total quantity that consumers want to buy? As I ...

In the scenario that a country's data for liquid foreign exchange reserves is divided into the dollars/euros held by the central bank and the same held by other banks in the country, how are the ...

In introductory economics courses the concept of marginal utility is illustrated through simple examples like how much benefit one gets from eating another slice of pizza (i.e first slice provides 100 ...

I am reading a paper Okuguchi,1981 with a Ramsey growth model. There is a constant population growth $n$ such as $L(t)=e^{nt}$. The way he writes the Hamiltonian is quite interesting (equation 5 on ...

I don't think I understand how optimization problems with a linear function work as of now. If you have a production economy with two agents, two goods and Cobb-Douglas utility representation, and you ...

In some sense this is a follow-up to Correlation between salary level and housing prices in a town There I was reminded to ask for causality, not correlation. I am interested in the causal effect of ...

When in surplus or shortage, in order to achieve equilibrium price must change. I understand that. But what if when in surplus, suppliers choose to instead sell less, but for the same price? Vice ...

Ramsey model with income tax Question: For this question you are required to setup a Ransey-Cass-Koopmans model economy with a Cobb-Douglas constant returns to scale production technology, with ...

I am currently reading "The Economics of Superstar" written by Rosen (1981). I don't understand one differential equation he used in the paper. The equation is as follows: $$\frac{dp}{dz} = (p+s)/z.$$...

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 ...

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?

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 ...

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?

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 ...

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 ...

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 ...

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 ...

Please why does the Marginal Productivity Curve(MPL) Cross The Average Productivity Curve(APL) at the highest point of APL? And if there is an answer, how do I prove it?

I'm trying to decide whether to run a multinomial logit or a conditonal logit (McFadden, 1973). I have data from a choice-based conjoint study in which each of the respondent's choices was between a ...