For what reason do different entities have securities created and sold?

One of the main reasons why different entities have securities created and sold is to raise funds for various purposes. Governments, for example, can issue securities such as bonds or treasury bills to finance public spending, such as infrastructure, education, health care, or social programs. By selling securities to investors, governments can borrow money at a lower cost than other sources of funding, and can also stimulate the economy and create jobs12

References = Canadian Investment Funds Course (CIFC) - Module 2: Investment Products - Section 2.1: Money Market Instruments3 and web search results from search_web(query="reasons for issuing securities")12

3: https://www.ifse.ca/wp-content/uploads/2021/08/CIFC-Module-2.pdf