Questions tagged [self-study]
Questions about self-studying economics, including curriculum design, study strategies, resources, etc.
48
questions with no upvoted or accepted answers
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What's the difference between Gregory Mankiw's "Macroeconomics" 4th ed. and 10th ed.?
I am planning to use Gregory Mankiw's Macroeconomics (not to be confused with his Principles of Economics) for self-studying macroeconomics, along with David Weil's Economic Growth. As you can see, ...
3
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0
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70
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Behavioral Dictator Game
I am doing a self study on behavioral economics and I am trying to solve behavioral version of the dictator game with following utilities for person 1 and 2.
$$ u_1( \sigma_1, \sigma_2 ) = \...
3
votes
0
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698
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Market clearing condition with Walras law
I have a diamond overlapping model
The question is as follows
Let us consider an infinitely lived production economy populated at time t by $N_t$ identical and perfectly competitive adult ...
3
votes
0
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95
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Firm Dynamic Optimization Problem
A firm has received an order at time $0$ for $M$ units of product to be delivered by time $T$. It seeks a production schedule for filling this order at minimum cost. Let $x(t)$ denote inventory ...
3
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0
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672
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How to self-study graduate level macroeconomics? Is there even a point?
As I had hoped to learn enough macroeconomic theory to get some research ideas, my goal at the beginning of this summer was to read through and complete the problems in an introductory advanced ...
2
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22
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Learning Resource Question - Computable General Equilibrium Modelling
Several years after graduation, I would like to learn some practical computable general equilibrium (CGE) modelling such as a CGE that can handle distributional outcomes.
Does anyone know of open-...
2
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0
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48
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Finding Labour Supply in Cobb Douglas type Utility Function
Once again self-study question:
Given a household's utility function be:
$$U = C^\alpha (1-L)^\beta$$
where, $L$ is labor supplied. Total labor time is normalized to $1$. $C$ is read household ...
2
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0
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63
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Finding optimal path in continuous time
I have the following optimal control problem
$$\max_{c_t,l_t} \int_0^{\infty} [ln(c_t)+\theta ln(1-l_t)]e^{-pt}dt$$
st. $$\dot{k_t}=k_t^{1/2}l_t^{1/2}-c_t-\beta l_t$$ $$k_0>0$$
I do big part of ...
2
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0
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110
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Bliss point hamiltonian function
I have the following utility function
$$u(c_t)=g(c_t-b)^2$$ for constants $g,b>0$
Edited: in order to be bliss utility function, It must be g is negative. But in the question g is given to be ...
1
vote
0
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28
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Definition of the space of a repeated game
I want to define the space of a stochastic game and it confuses me a lot, so I want someone to check please the space $\Theta$ that I define at the end and how could I define the sigma algebra of this ...
1
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0
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72
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Job Market Signaling
My Solution is this
Separating equilibrium
High type worker chooses $e_H = e^* >0$
Low type worker chooses $e_L =0$
Firms believes that if education is $e^* >0$ then the worker is high type and ...
1
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0
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57
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Better Model for Dynamic pricing - Stackelberg model or Bertrand model
Objective - I am building a dynamic pricing tool for airline tickets which will consider the competitor prices. Taking competitor price as reference, this tool will price the ticket. Also instead of ...
1
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0
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29
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Fluctuations in income
Consider the following income fluctuation problem. An agent lives for two periods, 0 and 1, and faces stochastic income in period 1. We are given this utility maximization problem: $$\text{max}\ U(c_0)...
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0
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22
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maximization program with a discount factor in monopoly with learning by doing
I would know something about the multiproduct monopoly. In the case with independent demands and costs dependents, it is in the case with only 1 physical good sold out of 2 periods. For example (...
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0
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45
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Will the outcome of a game always be a Nash Equilibrium?
Consider this game between two players. This game has two Nash Equilibria: (U, C) and (D, R). Suppose we ask the players to play this game once. What should our prediction of the game's result be?
If ...
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0
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21
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Question on Dichotomous system
In The Classic economy, we consider the following macroeconomic model
$$Y=F(K,N)$$ where $F_N>0$, $F_K>0$, $F_{KK}, F_{NN}<0$ and $F_{NK}>0$
$$F_N(K/N)=w/p$$
The labor supply function is $$...
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0
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66
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Writing constraint
A firm accumulates useful knowledge $k$ by investing in R&D activities. Specifically, if the firm invests $r > 0$ dollars into R&D, the stock of useful knowledge grows by about $2\sqrt{r}$ ...
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0
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124
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Revenue maximization problem
There are $N>0$ Households in an economy.
The government has aim to maximize a weighted average of income by imposing tax on the rich people and redistribute the tax revenue to the labor ones.
...
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0
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45
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Recommendation on economics books for a statistician
I have mainly an statistics/informatics background and i have basically not knowledge in economics.
What some good books to star given my background?
Edit:
My principal interest is stock market ...
1
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0
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148
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Take It Or Leave It Strategy: Social Optimum
Here is what I understood
Using Backward Induction, I inferred that buyer offers a price, say, $P$ and the seller will sell only if $P \geq c(I)$. Setting the lowest possible Price that will ensure ...
1
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0
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123
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Signaling questions (separating equilibrium)
Consider two firms
Inverse functions: $p(q)=max\{a-q,0\} $
$q$ is total production and a is positive constant.
This value of a takes two values ah=2 (high demand) and aL=1 (low demand). Their ...
1
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0
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78
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Increased inflation rate on borrowers and lenders
I'm trying to understand a concept in microeconomics. So if inflation increases while nominal interest rate stays the same, what are the substitution effects and income effects on borrowers and ...
1
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0
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126
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Consumer's maximization problem
I am an undergrad trying to learn the basics of NK models (on my own) and I am having some difficulties understanding the derivation of certain equations.
So we have the representative household ...
1
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0
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13
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How the long lives of oil platforms can account for the volatility in oil prices?
I have a question that asks me to explain how the fact that oil rigs/platforms last for a very long time increases the volatility in oil prices.
To me this does not make sense (I just can't ...
1
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0
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281
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Robinson Crusoe economy with saving and borrowing
I am working with a Robinson Crusoe economy, i.e. an economy in which there is no production and only consumption is possible: there are only two goods, $x_1$ and $x_2$.
There is just one individual ...
0
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0
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16
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What are the market frictions?
What are the market frictions which affects the market illiquidity?
I would like to learn about friction which impacts the illiquidity measures and the illiquidity discount.
For instance, I know those ...
0
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0
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9
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capital gain tax and lump-sum transfer payment Under the perfect market benchmark
Under the perfect market benchmark where I assume that there is no trade and agents are identical,
Can there be capital gain tax and lump-sum transfer payment?
or, there is no capital gain tax and ...
0
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0
answers
17
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writing budget constraint with capital gain tax
I have the following budget constraint
Consumption in period 2 = Wealth in period 2 = Wealth in period 1 + Capital gain from risky assets + The endowment
where
Gain of risky assets = # of holding ...
0
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0
answers
19
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Transform the constraints for both liquidity demanders and suppliers if I include any tax on risky asset?
I have a question related to Vayanos and Wang's article
I'm studying on this article for my course term project. I would like to some adjustment and changes on this article in order to improve it ...
0
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0
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45
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Solow Model With Land as Factor
Given the production function:
$$Y = K^\alpha (AL)^\beta R^{1-\alpha -\beta}$$.
Where $L, A$ grow at exogenously given rates $n, g$ respectively. $R$ is land and is constant in supply and given that $\...
0
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0
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25
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Testing method for the performance of R&D support program
Suppose that Government aims to initiate R&D support program to firms
The objective of the support program is to rise R&D expenditures and productivity.
I have the following data variables:
Q: ...
0
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0
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22
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Forward Guidance affects interest rate?
Forward guidance affects the effective federal funds rate, right?
as opposed to the overnight reverse repurchase/overnight loans, longer-term interest rates, or discount rate of loans from the Fed to ...
0
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0
answers
28
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Cournot nash equilibrium
The market demand for a good is described by the inverse demand function $P(Q) = 120 - Q $ where $Q$ is total quantity demanded and $P(Q)$ the market price. Two firms $i =1,2$ have identical cost ...
0
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0
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39
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How to derive consumer expenditures in EMEA 14.2.5
I am working on a problem 14.2.5 from EMEA by Sydsaeter, Hammond and Strom.
Consider the consumer demand problem:
$$ \max_{x,y} U(x,y) = \alpha \ln(x-a) + \beta \ln(y-b) \text{ s.t. } px+qy=m \tag{*} ...
0
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0
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50
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Coming up with a self self teaching curriculum in economics?
I'm a college grad- engineer by trade and wanted to learn about economics. Since I don't know much about the subject I'm not sure exactly how to progress with learning the field. I've started with ...
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0
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42
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Practical guide to Structural Equation Modeling
I am currently self-learning Structural Equation Modeling. I have studied some theory and also a bit about the software implementation, but not enough to practically conduct an SEM study.
I wanted to ...
0
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0
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57
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Best way to learn economics for an interested layperson with a mathematical background
What's a good way for a mathematically-literate layperson who's interested in seriously learning economics?
I suppose the quick answer is "read a textbook", but 1) textbooks are boring, 2) ...
0
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0
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80
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Policy ineffectiveness proposition
Suppose,
the Aggregate supply is given by the Lucas Supply Curve -
$y_t = ȳ + b(P_t - E_{t-1}P_t) + μ_t$
where $μ_t$ is stochastic supply shock (following standard normal error properties).
Aggregate ...
0
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0
answers
30
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Calculation of theoretical futures value
we form a stock index by using only two stocks in the index.
One of the stocks is the Stock-A. The current selling price of the stock-A is 103 dollars and the second stock is the stock-B. The current ...
0
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0
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42
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Why decreasing co-state variable (over time) is Compulsory?
I have a short question.
In the continuous time infinite horizon optimal control maximization problem Like
$$\max \int^{\infty}_0 u(c_t)e^{-pt}dt$$
I use current hamiltonian function and I obtain ...
0
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0
answers
20
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Questions regarding 'Efficient Trade with Interdependent Values' by Marek Pycia and Peng Wang,2015
This question is with reference to the paper 'Efficient Trade with Interdependent Values' by Marek Pycia and Peng Wang,2015(See here).
At page no. 4 of the paper, the authors describe $v_i$ as the ...
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0
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195
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How to show that a leontief utility function is homothetic?
usually what i do to show that a utility function is homothetic is by either showing that the function is homogeneous or if the MRS is homogeneous of degree 0.
However the MRS is not defined. So im ...
0
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56
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two period consumption problem
Ms. A earns 25,000 dollars in period 1 and 15,000 dollars in period 2. Mr. B earns 15,000 dollars in period 1 and 30,000 dollars in period 2. they can borrow money at an interest rate of 200% and can ...
0
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0
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81
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Strategy sets and SPNE
I need to find the startegy sets for the two players in this game. I understand that the game has only one subgame, that is, the entire game.
I cannot seem to understand the strategy sets of the ...
0
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0
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31
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Linearisation of the IS curve?
How to the IS curve linearised around the structural equilibrium?, what is the math behind it?
0
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2
answers
211
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Balance of Trade ( Surplus and Deficit)
I'm new to economics. I want to ask that what remedies that the government can actually employ to address the deficit/surplus in the fish trade balances over time?
My attempt,
Trade deficit
(i) The ...
-1
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1
answer
39
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Demand and Supply Curve Shifts
I Study economics independently at Marginal Revolution University.
But I am stuck with few of the very first Concepts. Those are:
Demand and Supply curve Shifts in Isolation.
Demand Curve Shifts:
When ...
-1
votes
1
answer
2k
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Inferior and normal good and the change in price of those goods
In general, We know that if a good is normal, then as your income increases, then demand of that good increases as well as price is fixed. Similarly, if a good is inferior, then as your income ...