High Income Securities Fund is a diversified, closed-end management investment company. The Fund invests in high yielding convertible securities as well as non-convertible securities, lower-rated or non-rated debt securities. High Income Securities Fund, formerly known as Putnam High Income Securities Fund, is based in BOSTON MA....
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Platforms benefit from positive network effects, scale economies, and information cascades. There are at least 2 major types of highly valuable platforms: i