# All Questions

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### Nash equilibrium of a Bertrand game with different marginal costs

Consider the following game of Bertrand (price competition): There are two players, $1$ and $2$. Each has a publicly known marginal cost, $c_i$. A strategy is a price, $p_i\in\mathbb{R}$. Player $i$'...
123 views

### Having trouble solving system of equations through matrix approach

So I have this system of reaction functions: $$s_1 = 2 + \frac{1}{3} s_2$$ $$s_2 = 7 + \frac{1}{8} s_1$$ I have to solve this through inverse matrix and confirm the result through Cramer's rule. The ...
172 views

### Any information on a toy economy with 3 types of agents in it

I was thinking about a theoretical economy where there are 3 types of roles for the agents. They can be : workers : produce good A criminals : steal good A cops : protects good A without going into ...
68 views

### The reasons I believe the bimetallic dilemma was never possible

During the bimetallic era, there was always a dilemma where the mint ratio differs from the market ratio of their metallic value. I state this is impossible. Suppose the mint&market ratio of ...
12k views

### Why does savings equal investment (scenario)?

Scenario 1: There's an economy of two people (Joe and Amanda). Joe buys a 500 dollar car from Amanda (which she made herself from raw materials in her back yard). Amanda takes the 500 dollars and ...
3k views

### We know that an equal and simultaneous increase in G and T will cause…?

My textbook says GDP will increase because all of the tax money will go into G, whereas only part of income goes into C. However, since savings = investment, wouldn't an increase in taxes (and ...
770 views

### Examples of Applied Micro Paper with R (!) Code and Data in Public Repository

Can anyone suggest examples of relatively simple applied micro papers (e.g. an RCT or straightforward regression model) of possible interest to a general audience, that have their data and code, ...
105 views

### Johansen cointegration analysis, cointegrating vectors and identification

I want to analyse the long run relation between, let's say 5 variables. Scenario 1. Below is the output from a Johansen test on the five variables: ...
279 views

### What is the relationship between indirect utility function and the expenditure function? [closed]

What is the relationship between indirect utility function and the expenditure function? Explain what accounts for this relationship.
485 views

### Short Run vs Long Run Cost Functions

Let $z_a$ and $z_b$ are two vectors of inputs. $z_a$ is variable in both long run and short run however $z_b$ is only variable in long run. Now let's suppose that the price of one of the inputs in ...
4k views

186 views

### How to close the gap between non-Econ background and Macroeconomics

I'm a first year PhD student with mathematical finance background, and am not quite familiar with all the assumptions/setup for macroeconomics. During study I found the math relatively easy but I'm ...
2k views

### What does the introduction and expanded availability of credit cards do to money velocity?

Consider the quantity theory of money: $MV=PY$. "Consider an example of a demand shock: the introduction and expanded availability of credit cards. Because credit cards are often a more convenient way ...