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39 views

Do countries with high taxes end up with low government debt but high private debt?

I'm curious if my observation that some Scandinavian countries (Denmark, Sweden) have high taxes, low government debt, but high private (in particular high household) debt is applicable more generally ...
3
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0answers
65 views

Mathematics of Marxian Economics

I have studied some Marxian economics, and realise that Marx's writings were not very mathematical. I recently came to know of Analytical Marxism and Neo-Marxian economics. I read the Wikipedia page ...
3
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0answers
25 views

How to interpret the sum of company revenues?

The introduction to the Fortune 500 states: In total, Fortune 500 companies represent two-thirds of the U.S. GDP with $13.7 trillion in revenues. I checked, and this is indeed the sum of those 500 ...
3
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0answers
56 views

Question about an ergodicity in economics paper

Disclaimer: I'm not well read in economics but am mathematically literate (PhD in Mech Eng) Recently I was sent a paper from Nature Physics, "The ergodicity problem in economics" by Ole Peters. I ...
3
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1answer
66 views

Regarding the Expenditure Function Underlying a Bliss Point

I've been looking at expenditure systems and have been really interested in the behaviour of the demand system that underlies bliss points: Consider the bliss point utility function of the following ...
3
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0answers
32 views

Software used for solving demands of different functions

I'm currently doing some research on demand systems and have been experimenting with different underlying utility functions which will generate different systems of demands. However I've been doing ...
3
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0answers
67 views

Does quasilinear preference contain rationality, monotonicity or other assumptions?

I have a question when I'm doing exercise 3.C.5(b) of MWG. The exercise asks to prove that a continuous preference on $(-\infty,\infty)\times R^{L-1}_+$ is quasilinear with respect to the first ...
3
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0answers
15 views

Are there any net benefits in reducing/increasing tourist-oriented retail business?

Hong Kong is currently experiencing a slump in foreign tourist-oriented retail sales. Shops selling jewellery, watches, infant formula or Chinese medicine experienced a 25-35% decline YoY in August. ...
3
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1answer
87 views

Signaling in zero-sum games?

The foundation of this question is a bit vague (based on something overheard at a conference) but I'm hoping someone here can provide some clarification. I overheard a conversation between two ...
3
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0answers
205 views

Mean Variance Optimization in a Utility Maximization Framework

I'm struggling to gain a broad understanding of Mean-Variance utility theory as it relates to finding the efficient frontier of a group of assets which each have some return and variance. The typical ...
3
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0answers
104 views

Fixes of quadratic utility when probability of decreasing utility is large

In finance and specifically portfolio theory, a popular utility function is quadratic utility $$ u(x)=x-\frac{\lambda}{2}(x-\mu_x)^2 $$ where $x$ is wealth and $\lambda$ is the parameter of risk ...
3
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0answers
105 views

Log-linearizing a non-separable utility function around the steady state

I've started reading Jordi Galí's Monetary Policy, Inflation and the Business Cycle (2nd ed., 2015). In section 2.5.2, Galí considers an example with the following non-separable period utility ...
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91 views

Linear Homothetic Utility

A Homothetic Utility is where $$ \forall x,y, \forall a \in \mathbb{R}_+: \ u(ax,ay)=au(x,y) $$ (or its monotonic transformation). A linear Homothetic utility is defined as $$ \forall x,y, \forall ...
3
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0answers
38 views

Asymmetric Nash Bargaining

The Nash bargaining solution selects the unique solution to the maximization problem $\max_{s_1, s_2 } (s_1 - d_1) (s_2 - d_2)$ such that the solution satisfy the following axioms : Invariance ...
3
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1answer
59 views

Trying to apply in practice the theory of finding the optimal price in a cournot competition

I recently received my bachelors degree in economics. For fun I wanted to try to apply some micro-economic theory of finding the optimal price in a cournot competition. I wanted to do this for a ...
3
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0answers
25 views

Decomposition of stock index movements

I want to decompose stock index movements. I know the estimated 12 months earnings growth rate ($g_1$), estimated long run earnings growth rate ($g_2$) and the index value. I am about to use two-...
3
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0answers
49 views

Can technical change have a negative growth rate?

Using the following nested CES function I have backed out augmentation indices $A_L$ and $A_E$. Where $A_L$ is a labour-augmenting technical change index and $A_E$ is an energy-augmenting technical ...
3
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0answers
36 views

Are that models that explain how companies become more efficient?

I'm trying to model/understand the following intuition: Company makes a product Product gets sold, company makes a profit Company does something with the profit to become "better" at what they do: ...
3
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0answers
21 views

Are modern conglomerate mergers better or worse for economic competition?

Modern conglomerate mergers differ from those from decades ago as, even though they takeover smaller companies, they have a more narrow focus on related business and, in order to be successful, have ...
3
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0answers
170 views

Combining Difference-in-Differences with Matching Methods When Parallel Trends Are Met in Unmatched Data

I'm running a difference-in-differences (DID) regression on panel data as follows: $$ Y_{it} = \beta_{0} + \beta_{1}Treat_{i}\times Post_{t} + \mathbf{\Pi}\mathbf{X}_{it} + \tau_{i} + \gamma_{t} +\...
3
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35 views

Inflation index and longevity of modern household appliances

The cost of household appliances and TVs are part of the Inflation Index. It is well known fact that modern appliances and TVs last 1/3 -1/2 time as comparing to 10-20 years ago and every time we buy ...
3
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0answers
7k views

Did the robbers from Money Heist real steal noone's money?

Money Heist (original Spanish title: La Casa de papel) is a Spanish TV show about a bank heist. From Wikipedia (bolding mine), In Money Heist, a mysterious man, known as "The Professor", is ...
3
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0answers
2k views

Derive the cost function and supply function from production function

I didn't study economics, but am quite interested in the topic. I came to the question whether I could derive the supply curve / marginal cost function from the production function and I actually ...
3
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0answers
30 views

Ausubel (2004) auction, any implementation?

I'm looking for an implementation of the ascending-bid auction introduced in his 2004 AER paper. More specifically, a market using this framework which either has been reviewed by other scholars or ...
3
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0answers
60 views

Price elasticity on comparison website. How to calculate price elasticity using the coefficient of the products position on site?

I am looking at the following paper. Glenn Ellison & Sara Fisher Ellison, 2009. "Search, Obfuscation, and Price Elasticities on the Internet," Econometrica, Econometric Society, vol. 77(2), pages ...
3
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0answers
133 views

Wages, capital: Substitution and Output Effects

Consider a CES production function $Y=f(K,L)$ with elasticity of factor substitution $\sigma>0$. The substitution effect of higher real wages naturally implies a shift along the isoquant to more $...
3
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49 views

Mean Field/Differential Game and Measurability

Consider the following scenario. There is a continuum of players in a population, with population measure normalized to $1$. Each player has a type $\theta \in [0,1]$ and we suppose that $\theta$ is ...
3
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0answers
65 views

How should I calculate bulk selling price for a small business?

Some friends of mine run a small business, in a small garage-like space, with a few employees, making and selling "plumbuses". The typical customer orders about 5 plumbuses at a time. When I heard ...
3
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0answers
88 views

Open Foundational Problems in Mathematical Economics

What are some open problems in mathematical economics which are treated as if they have been solved in economics papers? As an example, one of my teachers has previously pointed out to me that there ...
3
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0answers
76 views

Insurance question: need a brief explanation

Two risk averse people are identical in every way (including wealth, W , amount of loss, L, and utility function, U(W)) except they have different probabilities of loss. Suppose they want to buy ...
3
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0answers
39 views

Is there a theoretical basis for any popular income- or wealth-distribution model?

When modelling income or wealth, we probably want a continuous distribution with a lower bound; statisticians have named many, but Pareto and log-normal distributions have been among the most ...
3
votes
1answer
89 views

How to derive the measurement equation for the state-space representation of a DSGE model?

DSGE models, after log-linearisation, have a state-space representation. In this representation, in most papers, the measurement/observation equation is simply stated. I'm wondering how one deduces ...
3
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0answers
73 views

Marxist Economics: Contradicting Definitions of Capital Intensity?

As noted in a previous post one method of capitalist exploitation in marxian theory is through an increase in labor intensity as defined by the equation: $$I=\frac{SV+V}{lh}$$ A fellow user ...
3
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0answers
197 views

Solow growth model deriving solutions

I was reading a note on Solow model in continuous time, and it said we can derive K, C, and Y from the key equation. But the steps were omitted, and I have no clue with it. How can I derive these ...
3
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0answers
27 views

Policy rate and the mean of the stochastic discount factor: what is exogenous?

Let us fix the length of one period to be the tenor of the risk-free rate targeted by the central bank, e.g. 1 day. There exists a stochastic discount factor (SDF, a.k.a. pricing kernel). I am ...
3
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1answer
114 views

Use Lag Operator to find Lifetime Budget Constraint

The budget constraint is $c_t + \tau_t + s_{t+1} =w_t(1-l_t) +(1+r_t)s_t$ And assume $\underset{t \longrightarrow \infty}{lim} \ \displaystyle{\frac{s_t}{\Pi_{i=1}^{t-1} (1+r_i)}} = 0$ Lag ...
3
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0answers
62 views

Analzying K-12 Education: Cost vs. Expenditure?

I have heard constant complaints, particularly from teachers, that (United States) schools are underfunded, and that budget cuts only stand to exacerbate this problem. My own high school couldn't ...
3
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0answers
578 views

Market clearing condition with Walras law

I have a diamond overlapping model The question is as follows Let us consider an infinitely lived production economy populated at time t by $N_t$ identical and perfectly competitive adult ...
3
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0answers
73 views

Firm Dynamic Optimization Problem

A firm has received an order at time $0$ for $M$ units of product to be delivered by time $T$. It seeks a production schedule for filling this order at minimum cost. Let $x(t)$ denote inventory ...
3
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0answers
64 views

Market efficiency in software, music, news, etc

I'm not an ecomonist, but have been tossing around some ideas in my head for a long time and thought I might ask here what resources or existing work might be out there. There are a lot of market ...
3
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0answers
99 views

Does Economic Growth Lead to Inflation?

As an answer to this question, it was stated that Economists believe that higher growth rates tend to also mean higher inflation rates. As a non macro-economist, I am wondering if this is true? ...
3
votes
1answer
71 views

How to improve the underperforming construction productivity by correcting its market failures?

Globally, labor-productivity growth in construction has averaged only 1 percent a year over the past two decades, compared with growth of 2.8 percent for the total world economy and 3.6 percent in the ...
3
votes
1answer
119 views

Difference between the International Dollar and PPP

This may be a very rudimentary question but I am trying to discern the difference between purchasing power parity and the international dollar. I am starting to work on a project where we are trying ...
3
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0answers
22 views

Random effect Vs Fixed effect with the 10 CAN provs as cross sections

Im working on a model examining the effect of minimum wages on employment over the 10 provinces using a panel data set. I have used the Hausman test to decide to use RE or FE, in which it recommended ...
3
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0answers
27 views

References? — Coordination Between Groups

Can anyone provide references for research that focuses on coordination between groups of decision makers rather than within group coordination with individual decision makers? \ Edits given the ...
3
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0answers
41 views

Has the shrinking of the American household improved or diminished household welfare?

Over the last fifty years U.S. average household size has declined dramatically. When making within-year comparisons of household income, it is regarded as good practice to adjust for adult-equivalent ...
3
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0answers
2k views

Has Trickle-Down economics ever worked?

With "trickle-down economics" on the tongue of Americans this year, I wanted to do some research. The prevailing opinion is "trickle-down economics doesn't work." I can find many resources which ...
3
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0answers
72 views

Mathematically optimal age to begin drawing Social Security retirement benefits as a function of expected life span?

So, for most of us Americans, our official retirement age is 66 and we get 100% of our retirement benefits. If we delay retirement, that benefit increases by 8% each year (up to age 70) and if we ...
3
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0answers
68 views

What type of biases arise from DID estimation using aggregate data?

I'm considering using difference in difference techniques to write my last two undergraduate papers relating minimum wages and employment/poverty. I've been told issues arise with using aggregate data ...
3
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0answers
64 views

Why is money super neutral in Brunnermeier and Sannikov's I theory of money?

I'm wondering why money is super neutral in Brunnermeier and Sannikov's "I-theory of money", but is not super neutral in their 2016 AER paper "On the optimal inflation rate". In the I-theory of money,...

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