哪里有好的金融资料搜索工具或相关金融网站阿？

这里大多是偏实务的。都不是做学问的。你去人大经济论坛问吧。那里应该问得着。用google搜了还是有不少的。你打全称搜。不要打缩写。下面是篇论文里有关cmo的。collateralized mortgage
obligation(cmo)
the prepayment uncertainty of mbss led to freddie mac’s development of the collateralized mortgage obligation
(cmo)in 1983.th** complex type of mortgage security helps compartmentalize prepayment r**k and better addresses investment time frames and cash-flow needs.since 1986,
most cmos h**e been **sued in real estate mortgage investment conduit(remic)form for tax purposes.the terms are now used interchangeably.
mbss are pooled to create cmos.in structuring a cmo,an ssuer d**tributes cash flow from the underlying collateral over a series of classes called tranches,each h**ing **erage
lives designed to meet specific investment objectives.as the payments on the underlying mortgage loans are collected,
the cmo **suer usually first pays the coupon rate of nterest to the bondholders in each tranche.all scheduled and unscheduled principal payments go first to investors in the
first tranches.investors in later tranches do not start receiving principal payments until the prior tranches are paid off.th** basic type of cmo ** known as a sequential cmo.
almost all cra mbss are compr**ed of 30-year fixed-rate mortgages.some bank investment officers find the **erage
life of 30-year mbss too long(since bank funding sources tend to be shorter).these investors can support affordable housing by purchasing a cra cmo tranche,which ** structured
with cra mbs pools to provide shorter cash flows than the cra mbs
pools would normally provide.th** enables many banks to invest in cra cmos than they would be able to in cra mbss.additionally,the innovative and complex cmo structure
enables banks to leverage investment in affordable housing from non-cra regulated institutions,since the long cash flows are sold to pension funds and insurance companies.th** approach ** not routinely provided by private investors.additionally,cra cmos provide all the previously mentioned
compliance and investment benefits of cra mbss.while the economics of developing complex securities like cmos generally require development of tranches usually exceed-ing$20 million,pieces of tranches may be sold.nevertheless,cra cmos are not as readily **ailable as cra mbss.
http:///publications/community/investments/cra02-2/mbs.pdf
http://www.r**kglossary.com/link/collateralized_mortgage_obligation.htm
http://source.edu.cn/10_finengl**h/exer/lianxc-44.html 这个里面有中英文对照的
http://news.morningstar.com/classroom2/course.asp?docid=5402&cn=com&page=1
http://www.sec.gov/answers/tcmos.htm
你用google搜吧