Historically, investing in the stock market has yielded a high rate of return, better than 7percentt from 1926 through 1997, according to the Bush campaign.
One study found that 15 of the world's 16 biggest markets yielded a higher return than the monthly average in January.
But the same money poured into product development at that crucial phase in the growth of PCs and PC networks might have yielded a higher return.
Investment in ECCD is the most cost-effective way for governments to invest in national development because it yields high economic returns and can offset economic inequality.
Also, there is good evidence to show that if a new product or service comes to market as a result of some proprietary breakthrough in the company's own laboratories, it usually yields high returns: just think of DuPont's pay-off from Nylon or SmithKline's from Tagamet, one of the most successful prescription drugs in history.
If high risk investments yielded high returns, it would not be high risk!
Although some employer-sponsored wellness programs have yielded high returns — Johnson & Johnson reported a 170% return on wellness spending in the 2000s — the employee wellness industry as a whole has struggled to prove its value.
Prof Fama's is more subtle: if more investors had taken efficient market theory seriously, they would have been highly suspicious of subprime assets that were somehow rated as very safe yet yielded high returns.
Nicknamed "The Iceland Miracle," money poured into Iceland as formerly state-owned banks began borrowing heavily abroad and bought up companies all over the world, often paying prices that others deemed exorbitant in high-risk ventures that yielded high returns.
These political investments, exemplified by those the financial institutions made, yielded far higher returns than anything else they did.
And a new estimate put the death toll from the country's five-year civil war at between 3m and 4.7m.Foreign direct investment yielded higher returns in sub-Saharan Africa last year than in any other region, the World Bank said.
