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The branch of Finance that studies and models how specific assets (such as options, bonds and stocks) are priced.

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Why are asset pricing models equilibrium models?

In general, you can distinguish theory for a given market with off-equilibrium and on-equilibrium theory. Off-Equilibrium Theory Off-Equilibrium theory basically means that the market is not cleare …
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2 votes

Do the number of days in a month affect monthly return? (seasonality)

Let's make a fake example. Compound interest of 0.1% over 30 days gives $$1.001^{30} = 1.030439088$$ Compound interest of 0.1% over 31 days is $$1.001^{31} = 1.031469527$$ And the percentage chan …
FooBar's user avatar
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2 votes

Find probability that payoff function is in $[10,20]$

Maybe I'm familiar with a completely different background of mathematical finance, but I'll drop my two cents anyways. First, note that $$ \int d Wt $$ is a stochastic integral and not easily int …
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2 votes

Effectiveness of recycling (consumer PET) plastic

I'm just going to answer one part of the question, the trickiest and most controversial one in my opinion: How to determine the costs/profits of each part. It sounds tricky: Even if you fi …
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2 votes

What are the economic justifications of the size premium?

Reasons why smaller firms may do more poorly, conditional on the same idiosyncratic shock: Smaller means more focussed on one product, unable to diversify risks Smaller means less capital to use as …
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