So, it is easier to
assume efficient markets because without that assumption, you can't do the math.
When the company doesn't pay a dividend the money stays within the company and therefore the company is worth more, which will be reflected in the share price (
assuming efficient markets).
MCT is summarized by William F. Sharpe, a Nobel laureate and typical efficient - market believer, when he stated in the third edition of his book, Investments, that if
you assume an efficient market, «every security's price equals its investment value at all times» (page 67).
If there were no other costs to fossil fuels, then
assuming an efficient market, the gradual switch from fossil fuel to alternatives and greater efficiency would procede in an optimal fashion.
Not exact matches
Moreover, if we accept that the effective and
efficient functioning of our stock
markets assumes that investors have access to any relevant information that can affect an organization's financial performance, information about senior leaders» mental health can no longer legitimately be withheld.
In light of the meltdown of our financial
markets, I would have naturally
assumed that the theory of
efficient markets would have been banned forever from our programme. Alas, this was not to be.
This
assumes that
markets are not
efficient i.e. based purely on fundamental data and as such psychology and social sciences are better served at explaining what is going on.
[Geeks note: To get an
efficient market,
assume that all traders are rational; the sort of statistical rationality that would lead everyone to interpret the same information the same way,
assume that it's common knowledge they're rational (so you know that I know that you know that I'm rational, etc), that all investors» risk preferences are constant, and the only motive for trading is an expected profit.
First, your entire response is predicated on
assuming that the
Efficient Market Hypothesis is correct.
But if
markets are not
efficient there is no reason to
assume they are.
Here are some arguments for active investing: 1) To
assume that active investing is always inferior, you would need to conclusively prove the
efficient market hypothesis.
Academics
assume day over day returns have little to do with each other and that
markets are more or less
efficient.
³
Efficient market theories also
assume markets are frictionless — no transaction costs — and that «competition will cause the full effects of new information on intrinsic value to be reflected «instantaneously» in actual prices.»
Only fools and the models of some economists
assume markets are «always»
efficient instead of «often»
efficient.
Indeed, most financial products available to the investors today tacitly
assume the sanctity of the
Efficient Market Hypothesis.
The theory
assumes that investors are rational and that
markets are
efficient.
In a recent working paper, we simulated how the proposed rule would affect energy
market outcomess and social welfare,
assuming that it does not harm the
efficient functioning of
markets in ways beyond the subsidization of certain plants.
Although newer vehicles will be more fuel
efficient, CO2 emissions continue to rise because of the growth in vehicle travel and the increase in congestion and because we have not
assumed carbon neutrality for new dwellings as these have yet to be achieved in mass
market building.
It seems not unreasonable to
assume that survival value in our cultural evolution will favor institutions which support the most
efficient Knowledge
Markets (organisms which support the most
efficient nervous systems).