The easiest way to know about the strategies and importance of closed-end mutual funds is through a comparison to  open end mutual and exchange-traded funds, which are familiar with most of the investors. All these types of finances combine the investments of several investors into a single holder of securities or portfolio of fund. At first sight these funds may seem similar to each other, but as their names certain characters though look similar differ from operational point of view. Almost all investors who have a fixed income are generally attracted towards closed end mutual funds, as they are specially designed to offer a stable flow of income, which is usually monthly or quarterly, compared to bi-annual payments which are offered by the individual bonds.

Closed-end mutual funds have a habit of being exclusive to their structure of fund. They frequently borrow, when added becomes risk element when compared to open-end funds and ETF. It can show the way to better rewards and the leverage is the main cause of closed-end funds generating additional income than the open-end and exchange-traded funds.
Closed-end mutual funds are available since 1893(according to close end funds association) and are present more than 30 years, which is even before the creation of the very first open-end fund in the United States. In spite of their long history, closed-end funds are not that famous compared to open-ended funds in the market.

This lack of reputation of closed-end mutual funds may be because of the investment method being complex, which tends to be less liquid and more unstable than the open-ended funds. In addition, few of these funds follow the Wall Street firms, which are owned by the institutions.  
Investors invest their money in closed-end funds for many reasons which are almost same as open end funds. Most of them seed solid returns on their investments through the old method of capital gains, appreciation of price and potential income. The wide range of closed-end funds are on offer and the fact is that, all of them are controlled unlike the open end funds, thus, make these funds worth investing.

You should take time and carefully calculate your account, objectives and determination to know the ways in which a closed-end funds may help you. You should also understand that these funds differ largely in terms of investment objectives, portfolios and strategies used. One factor you should make note is that, these mutual funds carry lot of risk that are totally different from other funds. A thorough research prior to investment gives you a broader view of close end funds.  These funds are regulated by the Investment Company Act of 1940, as well as the Securities Act of 1933 and the Securities Exchange Act of 1934.  Try to understand about the shares of these mutual funds and also they are not exchanged which means the investor can invest more assets in fewer securities in liquid. Therefore, it is advised to take the help of an expert fund adviser before investing in close end funds or any other mutual funds.