# Questions tagged [risk]

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### In Barro's (2009) Rare Disaster Model in AER: How to derive equation (5)

In Barro (2009) http://piketty.pse.ens.fr/files/Barro2009.pdf My question is reference to equation #5, whereby Barro is deriving the reciprocal of the market value 1/v, and I am trying to derive this ...
1answer
36 views

### Risk with unknown probability distribution of the outcomes

From Wikipedia: "Risk aversion comes from a situation where a probability can be assigned to each possible outcome of a situation and it is defined by the preference between a risky alternative ...
1answer
46 views

### Negative Risk Free Rate Sharpe Ratio

currently I am writing my Master-Thesis about SRI-Fonds. For analysing Sharpe Ratios from different Fonds I need to use the risk free rate (e.g. Euribor 3M). Unfortunately I can‘t find anything about ...
0answers
67 views

### Cashflow Risk vs Discount Risk

I'm studying financial economics/asset pricing and I often hear the terms cashflow risk and discount risk but I'm not sure what they mean? The Campbell/Shiller (1988) decomposition includes cashflows (...
1answer
26 views

### What are the differences between hedging with swaps, options or futures?

For instance if a bank wants to hedge against interest rate risk, it could use interest rate swaps, or options or futures contract. Or in any other example, when a manager is hedging against risks. ...
2answers
33 views

### How is an interest swap collateralized

I am trying to understand what it means for an interest swap to be collateralized. If for example, I am paying fixed to a bank and receive floating in return. Who is giving collateral to whom? and how ...
0answers
32 views

### Term for risk AND ambiguity

This question is related to References for particular definitions of risk and uncertainty, which offers an excellent description of risk and uncertainty. Just as a recap: Knight (1921) described risk ...
0answers
23 views

### What would we say on the utility of risk and its consequences?

Anything has its risks and anything has its utility or desutility. The risk aversion causes a looking for safer alternatives in the market which maximizes utility in a trading off between risk and ...
1answer
86 views

### How to calculate CRRA bounds from Holt and Laury (2002) type lottery?

Lottery is between: Option A: a certain choice of £5 Option B: £10 with probability 0.1 and £1 with probability 0.9 The probability of receiving £10 increases in each subsequent choice. How do I ...
1answer
25 views

### CDO and Nonpositive Equity Questions

I have two questions about statements made in this video: https://www.khanacademy.org/economics-finance-domain/core-finance/money-and-banking/bank-bailout/v/bailout-2-book-value At 6:25, the video ...
1answer
100 views

### Transformation of random variables and second order stochastic dominance

Suppose $X$ and $Y$ are two random variables where $X$ has SOSD (second order stochastic dominance) over $Y$. Let $g(\cdot)$ be a monotonic function and $X' = g(X)$ and $Y' = g(Y)$. Under what ...
1answer
32 views

### Job Search and the Investment Problem [closed]

I don't know what to take as the cost of accepting the job. Kindly guide me through deciding how to frame the equation.
2answers
99 views

### Risky Assets over Bernoulli Utility

My question is about 6.C.4. of Mas-Colell et.al.'s Microeconomic Theory book. We have N risky assets with returns $z_n, n = (1,...,N)$ per dollar invested which are distributed over $F(z_1,...,z_n).$ ...
3answers
306 views

### Sanity of lending out made-up money

Background I've done some research to get an understanding into the issue I want to ask about. Regrettably, I found out general descriptions of the mechanism and/or evidently biased explanations, ...
0answers
25 views

### Solution to the Aiyagari model: why a sparse capital grid?

When solving a model à la Aiyagari, why is it needed to have more points close to zero? I would be grateful if you could point me out some reference on how to implement the sparse grid. In ...
1answer
47 views

### Could anyone here be able to explain gambling addiction and its debt with Microeconomics theory?

I am a research master student in Cognitive and Clinical Neuroscience, with the specialization/track Neuroeconomics and have to come up with a master thesis subject soon. I was thinking about gambling ...
0answers
53 views

### Certainty equivalent and risk premium

I'd like some guidance on the below practice question on uncertainty in consumer theory. I think I am confused on the certainty equivalent & risk premium or I'm not understanding the question. ...
1answer
26 views

### Is there some definition about risk sharing?

I was searching for a definition of risk sharing and I have found the following: $\underline{Definition:}$ Risk Sharing — also known as "risk distribution," risk sharing means that the premiums and ...
1answer
241 views

### Why is the risk premium always positive for risk averse individuals?

I think this has to do with the definition of concavity and the fact that a risk averse person has a concave utility function, but I'm not sure how that helps.
1answer
49 views

### Why charge higher interest rates to poorer customers?

Consumer loans/credit charge different rates depending on the individual's risk. In particular, it charges more to poorer individuals. Whilst this seems to make sense from a risk perspective, there ...
0answers
15 views

### Estimate Markov process for incomplete market model

Let's say I have an economy in which the agent's budget constraint is: $c_t + k_{t+1} = (1+r-\delta)k_t+w_t\varepsilon_t$ Where $\varepsilon$ follows a Markov process with 2 states. I now want to ...
1answer
16 views

### Does Medicaid or Medicare represent a higher risk to the Federal Government Solvency and Debt going forward?

I'm trying to understand not only which program is expected to be larger in terms of costs, but which one has the least capacity to adjust (reduce benefits if revenues for the program fall).
1answer
36 views

### How is the utility function with constant relative risk-aversion obtained?

In this slide, it says that constant relative risk-Aversion utility function have this form. $u(x) = \frac{1}{1-b} x^{1-b}$ for $b≠1$ $u(x) = In(x)$ for $b=1$ When I tried to derive the utility ...
0answers
59 views

### Assessing risk in a decision problem with repeated toss

The problem starts at time t0. At each time step, the participant can choose to opt out and claim a loser's reward Rl. At each time step, the participant has a probability p to win a winner's reward ...
1answer
111 views

### Proof: Risk averse; Certainty Equivalent smaller than expected value

I would like to show for a randomly distributed variable $x$ with CDF $F(\cdot)$ , given a Bernoulli utility function $u(x)$ the following property holds: The certainty equivalent, $CE(\cdot)$, is ...
3answers
745 views

### What is the average economic value of a human life?

What is the economic value of a human life? If there are multiple methods to use in calculating, what are they, which method is preferred, and why? Considerations/sub-questions on methods A. Is the ...
1answer
115 views

### Why do riskier investments pay more?

I'm talking about bonds, stocks, and the sort. I understand that an individual investor that's planning to invest, say, 50% of his savings, may require a higher expected gain to go for a riskier ...
1answer
45 views

### Why does it seem like the average cost threshold protocol has a possible gain but no chance of loss?

So, the average cost threshold protocol is a theoretical protocol for crowd funding club goods (it can also be used to crowd fund public goods, but I'll only focus on club goods in this post). It is ...
3answers
89 views

### Can I recreate an experiment on Allais paradox using student grades as payoffs?

For a project in experimental economics, I thought of doing something related to expected utility theory/prospect theory, but using grades instead of money. Is this reformulation of the Allais ...
0answers
38 views

### Can aggregate risk to the economy be insured, and how?

There has been a lot of discussion for a while now over how the short market on Tesla is quite crowded. This got me thinking of what possible benefits the short market bestows upon the economy as a ...
3answers
94 views

### Mean vs. variance - which is dominant?

I am currently trying to gain some basic understanding of the mean-variance tradeoff. However, since I do not have an economic education background, I am struggling with some issues. Currently I am ...
1answer
74 views

### Construct utility function for a risk-averse agent

I am trying to construct utility function for an agent who can be risk-seeking or risk-averse. We have an agent $i$ who has an ideal point $x$ in a policy space $X = [0,1]$. There is a policy (option) ...
2answers
117 views

### When does gambling reduce risk?

Suppose that you face risk. It is obvious that taking gambles whose outcomes are negatively correlated with the outcomes of your other gambles can reduce your overall risk ('hedging'). My question, ...
5answers
294 views

### Why is everyone suggested to specialize their education?

Why is so common to suggest university students to specialize in order to get a better paid job? This goes completely against the principle of diversification of investments, in order to decrease ...
5answers
746 views

### References for particular definitions of risk and uncertainty

I have some doubts about risk vs. uncertainty. I have read the thread "What is the difference between risk, uncertainty and ambiguity" and have skimmed through Knight's "Risk, Uncertainty, and Profit" ...
1answer
43 views

### Value of Statistical Life and Risk

I have been reading a paper by Bove & Elia (2011), where they quote a definition of the value of statistical life from Bellavance, Dionne & Lebeau (2009). I have tried making my peace with the ...
1answer
55 views

### How to estimate market risk using only publicly available data?

How can I calculate market risk for the US Stock Market (NYSE or NASDAQ) using only freely accessible data? I'm only interested in the market risk of the whole economy not of different industries, ...
0answers
15 views

### What were the liquidity requirements prior to Basel III?

I am investigating the impact of enforcing the Basel III liquidity requirements with a focus on the LCR. I have found some information about regulations in fore prior to Basel III in Sweden and ...
2answers
340 views

### Will high computing power substitute the certainty-equivalence assumption?

Bloom in a recent JEP paper considers that "the increase in computing power has made it possible to include uncertainty shocks directly in a wide range of models, allowing economists to abandon ...
1answer
106 views

### Why does Mascolell define second-order stochastic dominance as such?

Is not Mascolell's definition in his microeconomic theory of the second-order stochastic dominance narrower? He defines for distribution functions with the same mean only. Although he gives some ...
6answers
2k views

### What are alternative measures of risk?

In finance, the variance of the returns of a security are used as a proxy for the associated risk of the security. I've seen some books include sentences like "if you take variance as a measure of ...
1answer
261 views

### Relative risk aversion and lotteries exercise

Given a consumer with a utility function, $u(w)$, and a wealth of $w>1000$. Assuming that the consumers relative risk aversion is constant and equal to 1, that is $R_r(w)=1$ for $w>0$, the ...
2answers
1k views

### Negative expected value; risk neutral choice

Suppose there are two options: (1) take a gamble with 50% chance you win \$100 and 50% chance you lose \$110 or (2) don't take the gamble at all and win/lose nothing. Would the risk-neutral take the ...
1answer
158 views

### Swaps and systemic risk

I understand the systemic risk that can be associated with the trading of credit default swaps, but is it the same with interest rate swaps? What was the "default rate" on interest rate swaps during ...
2answers
264 views

### Are risk-costs a form of external costs?

An example to make to question more clear: With the use of nuclear power plants come several risk-costs (the risk of a nuclear disaster). These costs aren't included in the energy price and there is ...
1answer
74 views

### Consequentialist View of Risk

In MWG, the authors introduce the consequentialist view of risk by assuming for any risky alternative, only the reduced lottery over final outcome matters to decision maker. From philosophical view, ...
1answer
314 views

### Inc Linear Transformation of Bernoulli Utility

According to MWG Proposition 6.B.2, it illustrates that the expected utility form is preserved only by increasing linear transformation. What is the significance of this proposition? The part I ...
0answers
294 views

### How a utility function which is both DARA and CRRA can be explained?

I'm studying risk aversion and I cannot make a intuitive explain about the utility function which is DARA and CRRA. for instance, let's say, $\ln W$, where $W$ stands for one's wealth. by the ...
2answers
270 views

### Do stock markets price in existential risk (i.e. global nuclear war)?

Question Moved from Money StackExchange: https://money.stackexchange.com/questions/74002/do-stock-markets-price-in-existential-risk-i-e-global-nuclear-war Q: Do stock markets price in existential ...
2answers
77 views

### VaR and rating for commercial banks

I would like to know if there exist a database where Value at risk of commercial banks are. Beyond that if there is a connection between the rating from agency (as S&P, Fitch etc..) and the VaR ...