# Questions tagged [firm]

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### partial equilibrium firm investment model with collateral constraints

I am trying to solve the partial equilibrium firm investment model with collateral constraint. My state variables are firm productivity, capital and debt. While I know how to iterate the value ...
58 views

### How do the assumptions $p'+q_ip''<0$ and $p'-c''<0$ ensure the stability of the Nash equilibrium among private firms in basic mixed oligopoly model?

I have two quick question regarding basic oligopoly models: What is meant by we impose the assumptions to $p'+q_ip''<0$ and $p'-c''<0$ to ensure the stability of the Nash equilibrium among ...
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### company value, shares, NPV

Let's say we want to evaluate the value of a company. One way is to calculate the present value of the cash flows. I do not specify the cash flows and the discounting rates $r_i$ here. Then the ...
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1 vote
30 views

### Factor changes in Melitz (2003) model

What would be the effect of changes in factor supplies, for example labor, on the open economy equilibrium?
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### Stock Exchange role in expansion of firms

How can a Stock Exchange be proven important in developing/developed economies regarding the expansion of firms? Are there some constraints of the Stock Exchange in the development of firms?
1 vote
371 views

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### Question regarding couple economic terms and concepts

I am trying to read some economic articles for future use. However, as a statistics major student, I am quite unfamiliar with couple of economic vocabs and concepts. Followings are the very vocabs. -...
78 views

### Perfect Substitution with a Continuum of goods?

Imagine I have a continuum of different goods indexed by $\omega \in [0,1]$. I have a household which consumes a quantity $C(\omega)$ of good $\omega$, and pays a price $P(\omega)$. The household has ...
• 203
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### Measure of New Firms Born in Each Period

In an economy with stochastic overlapping generations of firms, how do we easily understand the measure of new firms born? The set-up states: "In each period, measure $\rho\in(0,1)$ of new firms are ...
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6k views

### Stackelberg with 3 firms

I'm currently trying to solve the following problem: Stackelberg with 3 firms Imagine there are three firms on a monopolistically competitive market. The marginal cost of produc- tion in each ...
• 303
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### Why do some perfectly competitive, loss-making firms shutdown and others don't?

Question: Why do perfectly competitive, loss-making firms that have (AC>AVC>AR) shutdown but Firms that have (AC>AR>AVC) not shutdown? -Both of these types of firms are making a loss. How is it ...
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### Changing Constant Factor Demands

I’ve been given this true false question: Consider the minimization of wL + rK given F(K, L) $\geq$ Q with F(K, L) strictly increasing in K and L. The conditional factor demands K*(Q, w, r) and L*(Q, ...
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### Profit Maximization and Returns to Scale

Assume a labor-intensive production function: $Q(L)=L^\beta$ Find demand of labor that maximizes profits (unconditional demand $L(p,w,r)$), the demand of labor that minimizes costs (unconditional ...
1k views

### Best Response Functions for Cournot

For a Cournot Duopoly game with Linear Demand functions, we need to find the optimal quantity of each firm such that profit is maximised. Given the linearity of the Demand curves, we will obtain a ...
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### Do the three ways of measuring producer’s surplus give the same result?

In the Firm supply chapter of the microeconomics Varian's book, they show "three equivalent ways to measure producer’s surplus" using marginal cost, average cost and the average variable cost curves. ...
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### What kind of econometric analysis can be used on Indian domestic petroleum sales 2008-2018? [closed]

I have data for sales of petroleum products across different states in India of both public sector and private sector companies for 10 years. Number of years: 2008 to 2018 monthly data (10 years) ...
337 views

### Why do firms losing money almost always reduce labor costs via layoffs instead of pay cuts?

At least in the United States, firms seem to almost always reduce labor costs via layoffs rather than pay cuts. Pay cuts are so rare that they're literally headline news. From an economic standpoint, ...
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### Using metrics provided by FRED to identify the business cycle

I am interested to see how the "business cycle" is associated with our firms sales. The hope is that if we can show that our sales line up with the business cycle then we can make decisions ...
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### I'm studying the effect of a law on a sector: how do I select the control group?

I'm planning on using a regression discontinuity design (RDD) to estimate the impact of a sector-specific law on the firms in that sector. I need to create a control group and I have read somewhere in ...
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### Graduate level texts/notes that cover the Short Run and Long Run Costs of firms' production

In undergrad econ we learned that it would cost a firm more money to increase its production in short term than in long term. MWG does not seem to cover this topic. I need a Graduate level texts/...
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1 vote
5k views

### Why is ATC tangent to Demand in a Monopolistic or Mopolistically Competitive Firm Making Zero Profit?

I understand that the Average Total Cost is equivalent to demand in a zero profiting monopoly or monopolistically competitive firm in order for there to be zero profits (when ATC = P at a given ...
1 vote
2k views

### Optimal production level for a typical firm in long-run

Assuming all firms have identical cost functions. Now suppose there is an increasing shift in the demand curve. As we all know that for increasing costs case, both average costs (AC) and marginal ...
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1 vote
31 views

### How are assets distributed by types of organisations? [closed]

How wealth, assets or capital (measured in terms of revenues, assets, equity, etc.) is distributed among the various types of organizations (e.g. State, public companies, private conpanies, ...
1 vote
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### Microeconomics and management science of professional open source companies?

Are there research (and stories more broadly) about professional open source companies? To what types of products their are appropriate, what licensing schemes to choose? How to managed patents and IP?...
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### How to model cooperatives

My understanding is that standard models in economics assume the firm is a capitalistic firm, in the sense that it pay workers a wage but no profits. (is that right?) I am interested in modeling ...
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### Is the marginal cost the same for every firm in a perfectly competitive market?

Spin-off from: market equilibrium quantity $\ne$ firm profit maximising quantity? Consider a perfectly competitive market with equilibrium price $P_{eq}$ and quantity $Q_{eq}$ and firm with profit ...
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1 vote
921 views

### market equilibrium quantity $\ne$ firm profit maximising quantity?

Consider a perfectly competitive market with equilibrium price $P_{eq}$ and quantity $Q_{eq}$ and firm with profit maximising quantity $Q_f$ as illustrated below: I guess any firm in the market would ...
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1 vote
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### What is the difference between knowledge-based and R&D?

So far, I always thought that knowledge-based companies and R&D companies were the same. But recently our TA mentioned that they are different, I've searched a lot to find the differences between ...
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1 vote
811 views

### University course references for Market Structure/Industrial Organization

Are there any books that are used in University-level courses that contain a detailed analysis of market structure ( Perfect competition , Monopoly and so on)?
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### How to determine the marginal product for the following question? [closed]

Suppose that a firm has a Fixed cost of 10,000 dollars and Total Cost of 10,500 dollars for one unit and 11,100 dollars for two units of output. Which of the following is true for the Marginal Cost (...
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1 vote
103 views

### Causes of interlocking directorship connections between firms

I need to interpret some empirical results telling me that firms (intended as profit-maximising entities) prefer to be controlled (e.g. through interlocking directorships) by smaller and less ...
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103 views

### Academic paper which justifies why companies are run better privately

A few years ago I was reading The Economist and I remember it stated a particular academic paper that underpinned the rationale for the existence of private equity firms. I have tried to find this ...
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1 vote
2k views

### Duality of cost minimization and profit maximization

The firm tries to maximize profits $\Pi$ \begin{align} \max_{K,L}\{\Pi(K,L) = F(K,L) - RK - wL\} \end{align} where $F$ is the linear homogeneous production function, $R$ the rental rate of capital $K$...
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