A portfolio is called duplicable if there is a different portfolio y x which provides exactly the

Question:

A is called duplicable if there is a different y ‰ x which provides exactly the same returns in every state, that is, Rx = Ry or

Show that every portfolio is duplicable if rank R

Portfolio
A portfolio is a grouping of financial assets such as stocks, bonds, commodities, currencies and cash equivalents, as well as their fund counterparts, including mutual, exchange-traded and closed funds. A portfolio can also consist of non-publicly...