# Questions tagged [self-study]

Questions about self-studying economics, including curriculum design, study strategies, resources, etc.

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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, ...
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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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### 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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### 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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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### calculation of the real domestic return of a foreign stock

I would like to calculate the real domestic return of a foreign stock What I know Real price is $$P_{Real, t} = \frac{P_{Nominal, t}}{CPI_t}$$ where CPI is consumer price index. And I know that the ...
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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 ...
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### Second welfare theorem and non-continuous preferences

Are there any monotonic and strictly convex preferences that are not continuous but the second welfare theorem does not hold for them?
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### Types of Economies of Scale

Context: Delegation informed prime Minister that textile sector is working at fullest capacity due to government policies. They further said the energy package, timely refunds and other facilities had ...
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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) ...
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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 ...
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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 ...
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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 ...
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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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### 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 ...
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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 ...
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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 ...
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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?
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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 ...