Both are fixed price equity funds

no, its equity since the allocation is trade in stock mamrket not buying the direct bonds.

they maintain to fix price to make sure the capital not lost. if the price is flactuate,  investors may not  buy those products

You can consider bond which give u around 7% return p.a., slightly higher than PNB's fund with no race quotas.
You can also switch from bond to equity or vice versa depending on the market performance and your preference any time.

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Added on March 5, 2012, 12:20 am

The answer is NO.

even banks will not able to accomodate the withdrawals of their depositors if EVERYBODY withdraw the money from the bank. They have insuffient time to call back the loans they lend out to their borrowers.

regarding whether PNB funds are Ponzi scheme, we have dicussed this issue b4. The best thing if u study the financial annual report of each fund. It will tell you lots of info and justify if it is a ponzi scheme. Judge yourself and dont rely on hear say and rumos