Questions tagged [economics]

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295
votes
31answers
223k views

What data sources are available online?

What sources of financial and economic data are available online? Which ones are free or cheap? What has your experience been like with these data sources?
11
votes
3answers
3k views

Maximization of CARA utility function: unique solution with an unbounded parameter?

An investor at time $t_0$ can invest his wealth $w_0$ in a risky asset $x$ for an amount $a$ and the remain part in the riskless asset $w_0-a$. At the end of the period $t_1$, the investor will ...
9
votes
5answers
440 views

Can classical economics explain *any* of the so-called stylized facts of finance?

I am doing some reading on the (historical) emergence of the Black-Scholes implied volatility smile for index options (yes - post 87), and I stumbled across an economic paper attempting to explain the ...
8
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2answers
316 views

Testing for stock market herding over short periods

The literature has well established methods for testing stock market herding over a decent time window. Are there any ways that have appeared in the literature to test for stock market herding over ...
7
votes
2answers
667 views

Why are regressors squared and not ^1.5 or ^2.2 or ^2.5?

When a researcher in economics or finance wants to apply a linear regression model but suspects a non-linear relationship between one of the regressors and the dependent variable, it is typical to ...
7
votes
1answer
238 views

Reliable Economic Data on China

Trying to develop a new strategy, but I need to find reliable economic data on China. It's well known that the official figures there don't tell you everything (to put it nicely), so I was wondering ...
6
votes
3answers
753 views

Supply and Demand of Oil [closed]

This is probably not the best place to ask this question but the one that seems most appropriate on stack exchange(doesn't seem to be an economics one). Anyways, My question, a serious one and not ...
6
votes
1answer
3k views

Financial economics vs finance [closed]

What is the difference between financial economics and finance?
6
votes
1answer
638 views

What is the relation between Relative Risk Aversion and Market Price of Risk

If we assume that the preferences of investors in a market aggregate to display the following utility function $$u(W)=\dfrac{1}{1-\gamma}W^{1-\gamma},\quad \gamma>0,\quad \gamma\neq1$$ then from$...
5
votes
2answers
382 views

Brexit implied probability

It is possible to bet on the Brexit e.g. on this page: https://sports.ladbrokes.com/en-gb/betting/politics/british/eu-referendum/uk-european-referendum/220800266/ The quotes are 8/15 for remain, and ...
4
votes
4answers
706 views

Could we have prevented the World Economic Crisis in 2008?

There is an expression - "Too big to fall." - which means that if a bank or a financial institution manages a sufficient part of the financial assets than the state can't afford that this bank or ...
4
votes
1answer
204 views

Particular kind of market game

This question concerns game theory and market equilibria which is rarely of focus here at QSE, but at the same time I believe this is a more appropriate place for such question rather than MSE. ...
4
votes
1answer
192 views

Is there such a thing as resonance in economic underliers?

In physics the occurence of resonance is explained and widely understood in its linear form and subject to research in nonlinear resonance. Example for instance are resonant frequencies of objects. ...
3
votes
2answers
278 views

Can we think of Overnight Index Swaps as short-term IRS?

OIS are a series of fixed-rate cashflows discounted at the overnight rate, swapped for overnight (floating) rate. IRS are similarly discounted fixed-rate cashflows, swapped on an IBOR-floating rate. ...
3
votes
3answers
202 views

Why Central Bank carry out Qe when they can directly force banks to lower down the interest rate?

To boost the economy, the central bank can do it either by lowering down the interest rate nor carry out QE. But QE objective is to lowered the interest rate also so banks can give out more loan. This ...
3
votes
5answers
225 views

economic facts that causes the financial time series to be heavy tailed

When reading a tutorail on extreme value theory, I once meet the following claim ...
3
votes
2answers
529 views

Why is that a risk averse consumer buys the optimum insurance when there is actuarially fair insurance?

I think I understand the fact that when marginal utilities of the same function are equal (a consequence of the actuarially fair insurance), the independent variables in it must be equal -- right? But ...
3
votes
1answer
110 views

Equilibrium in the Kyle (1985) model

In his 1985 paper, Kyle presents 3 versions of the same model: a single period model, a multiple period model and the continuous time limit of the multiple period model. When he formalizes the ...
3
votes
3answers
508 views

Validity of CAPM

I came across some literature regarding "Framing Theory" or "Prospect Theory", and the validity of CAPM. I was wondering if you could shed some light on a few questions I have in this regard: ...
3
votes
2answers
108 views

Cash flows regression on macroeconomic data

I'm looking into a research project and am struggling to find any existing work on this or whether I'm asking the right question. My question is to test the relationship between macroeconomic ...
3
votes
0answers
159 views

A doubt about Evans and Jovanovic (1989) economic model for entrepreneurs with credit constraints

[I already posted this question on the math forum of stackexchange and I was advised that I should post this question here] In Evans and Jovanovic (1989) you will find a model for entrepreneurs with ...
2
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3answers
279 views

If markets are efficient, why are most returns systematically high?

Suppose markets are perfectly efficient and asset prices reflect all available information. Under this assumption one expects current prices to be non-biased estimators of future prices. It seems to ...
2
votes
2answers
305 views

Cashflow Risk vs Discount Risk

Studying asset pricing, 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 (future dividends) and ...
2
votes
1answer
1k views

Can tobin's Q value for a firm be negative?

Can Tobin's Q value for a firm be negative? I am calculating Tobin's Q value using Compustat data for firm i and year t. I am using the formula presented in Chung and Pruitt(1994) - Q = (Market ...
2
votes
1answer
73 views

Why financial instistution for instance banks lowered down their interest rate during QE?

When QE is carried out, the Federal Reserve prints money and buy government bonds in an effort to pour extra money into the economy. This causes financial institutions for instance banks to lowered ...
2
votes
1answer
192 views

When a particular bond is delivered, why there is the need to define a conversion factor? What is its utility?

Where, the conversion factor for a bond (by John C. Hull) is set equal to the quoted price the bond would have per dollar of principal on the first day of the delivery month on the assumption that the ...
2
votes
1answer
162 views

How does trade deficit affect the economy of a country

How does trade deficit for a prolonged period(say 10-15 years) affect a country's economy? I have read that it should affect it adversely, but the US trade deficit has been negative since the mid 1960'...
2
votes
1answer
381 views

What does it mean by “labor taxes cut is self-financed”?

I'm reading "Principle of Economics" by Mankiw. In Part III Market and Welfare, Ch 8 "Application: the costs of taxation", it says: Only 32% of a cut in U.S. labor taxes would be self-financed, the ...
2
votes
2answers
4k views

Covariance of a GMV portfolio with any asset

Why is that the covariance of a global minimum variance (GMV) portfolio in the efficient frontier with any asset is always the same?
2
votes
1answer
264 views

Does CRRA-utility imply higher risk-aversion for lower wealth?

Consider the utility function $u(W)=\dfrac{1}{1-\gamma}W^{1-\gamma}$, where $\gamma=0.5$ Since this function will exhibit decreasing marginal utility of wealth, is it correct to say that for any ...
2
votes
1answer
262 views

Which studies should be replicated?

In psychology voting on which studies should be replicated is established on a website. For economics, including financial economics, the ReplicationWiki (that I founded) offers a voting option but it ...
2
votes
1answer
80 views

Question about CAPM Betas - Causes of Beta Movement Query

CAPM betas are measures of systematic risks, which include things like the exchange rate, inflation, interest rates, etc. What I'm confused about is described below: E.g. suppose I'm looking at one ...
2
votes
0answers
124 views

How to conduct an event-study for a single index (i.e the DJIA) with multiple events

I am a postgraduate student writing my thesis. I am somewhat a novice in the field I have chosen to study, however this has undoubtedly broadened my horizons. I am attempting to evaluate the impact of ...
1
vote
2answers
72 views

Can the money market break in a crisis situation?

I am researching the question, what happens during a crisis situation to the money market. Can it break? In 2007-08 there is evidence that liquity hoarding from banks became a rather common problem. ...
1
vote
1answer
72 views

Is it possible that some types of financial systems can resonate?

Financial systems can certainly be modeled using the same tools physicists use to model dynamic physical systems. The validity of such is evidenced by models such as that developed by Black and ...
1
vote
2answers
120 views

How to calculate burnrate?

Wikipedia says Burn rate is a synonymous term for negative cash flow but I neither agree nor believe that is formalized. A company could need turnaround from losses ...
1
vote
1answer
58 views

Stressing the going up of LIBOR - Which balance sheet variables to stress?

Analysts expect the LIBOR to rise in the next two years. Hence, all companies that have foreign currency loans will face problems. I am preparing a study on this topic, but data is an extreme issue. ...
1
vote
2answers
217 views

does there need to be risk-neutral agents in the market to enforce risk-neutral pricing?

I'm trying to understand a fundamental link between mathematical finance and economics. I understand that risk-neutral pricing is free of arbitrage with replicating portfolio. Does risk-neutral ...
1
vote
1answer
582 views

Looking for a definition of financial entropy

In Science, Entropy is generally considered to be the irreversibility of stuff. Google defines entropy as: lack of order or predictability; gradual decline into disorder The 'gradual decline in ...
1
vote
1answer
86 views

What is the gross accounting relation of Cobb-Douglas function?

We have Cobb-Douglas function like this $Y=AK^\alpha L^{1-\alpha}$, in one of the book, it deduce like this: How can we get this formula? $$\frac{\Delta Y}Y = \frac{\Delta A}A+\alpha\frac{\Delta K}K+(...
1
vote
3answers
273 views

Is an economy where money yields interest able to be sustainable and healthy? If yes, how?

There are two points that concern me Loans If someone takes a loan of let's say 1000\$, he has to pay back the money with 5% interest, i. e. 1050\$. But where do the 50\$ come from? They didn't ...
1
vote
1answer
79 views

What preprint repositories are available online?

Besides data sources, what preprint archives are available for academics and practitioners in the fields of Quantitative Finance and Economics? I have subscribed Google Scholar alerts and regularly ...
1
vote
2answers
141 views

How do I interpret the credit rating history time series?

This is the best historical time series which I could find from tradingeconomics.com/malaysia/rating. It would be great if someone could answer my question. I am currently researching on the topic of ...
1
vote
1answer
2k views

In what economic scenario do yield curves bull flatten or bear steepen?

Bull steepening and bear flattening have the common belief that in bad news, treasuries catch a bid and short end rallies more because most bad news are short lived. In good news, treasuries sell off ...
1
vote
1answer
346 views

Cash flow diagram, interest rate inflow series

I have a econ midterm coming up soon and stumbled upon this question. My approach is: 2C=800/(1.12^2)+1200/(1.12^6)=125.71 or C=1245.71/2=622.85 But I have a gut feeling this is wrong. I believe the ...
1
vote
1answer
506 views

Why are indifference equations in mean-variance portfolio theory convex shaped

As the title suggests why is the indifference equations in mean variance portfolio theory convex shaped? Indifference Equation: https://en.wikipedia.org/wiki/Indifference_curve A graph:
1
vote
0answers
53 views

Measuring corporate size relative to world GDP

I'm working o a model where corporate revenue / world GDP is a dependent variable of some stuff (based on the model proposed in this paper: http://www.scielo.br/scielo.php?pid=S1807-76922009000200002&...
1
vote
0answers
82 views

Autoregressive Distributed Lag Models (ARDL) results analysis

When using autoregressive distributed lag models (ARDL), I usually get a counter-intuitive result for the selected lag. For example, when examining the relationship between GDP and Foreign Direct ...
1
vote
0answers
86 views

How to Calculate the Value of a Growing Perpetuity Using a State Price Matrix?

Summary I wish to value perpetual cash flows through state contingent claims on real consumption, where the state of the economy is assumed to follow a finite markov chain (Similar to Banz and Miller ...
1
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0answers
264 views

Comparing two models using Wald Test

I would like to use a Wald test to compare two models. To give a basic example, let: $Y_{t}=\alpha+{\phi_1x}_{t-1}+{\beta}_{1}x_{t-1}+{\beta}_{2}x_{t-1}+{\beta}_{3}x_{t-1}+\epsilon_t (A)$ $Y_{t}=\...