Studies that simulate the value of an investment portfolio under alternative mixes of stocks and bonds invariably

Question:

Studies that simulate the value of an investment under alternative mixes of and bonds invariably demonstrate that higher stock allocations produce higher returns, particularly as the holding period increases. If you, as an investor, have a time horizon that is reasonably long, say 10 years or more, and you have no current income needs, could you justify holding any bonds in your Stocks
Stocks or shares are generally equity instruments that provide the largest source of raising funds in any public or private listed company's. The instruments are issued on a stock exchange from where a large number of general public who are willing... 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...