I have often wondered about the impact of the stock market on society. The following is my understanding of this topic so far:
[ol]
[li]Shares can be sold in IPOs or secondary stock trades. Initial Public Offerings are when a company sells shares to the public. Secondary trades are when individuals sell shares to each other.[/li][li]IPOs greatly benefit society. IPOs allow successful companies to raise capital to scale up their operations, so more high quality widgets are available to society.[/li][li]Secondary trades do not benefit society. Companies pay the same dividends regardless of who owns their shares. Secondary trades do not increase the number of widgets available, so society as a whole is not improved. Of course the buyer and seller of the share would not do so unless it is in their interest, so they benefit.[/li][/ol]
I realise there are exceptions to the above. However, I believe this covers the general concept, though not every minor detail.
My conclusion: Secondary trading produces two effects on society, one is detrimental, the other beneficial.
[LIST=4]
[li]Detrimental effect on society: Secondary trades do not benefit society, so it follows that any effort expended on this activity is a deadweight loss.[/li][li]Beneficial effect on society: IPOs are not possible without secondary trading. People will only invest in IPOs if they will be able to cash them in at some point.[/li][/LIST]
The question: Do the benefits of IPOs outweigh the resource consumption of secondary trading?
If not, maybe we could improve the situation by discouraging secondary trading. An example would be to tax any trades on shares held for less than 1 year at 100%. This would result in fewer IPOs, but less resources consumed on secondary trading. Alternatively, maybe we should reduce capital gains tax to encourage more secondary trading and hence IPOs.
It would be great if anyone could refer me to a study or book that deals with this question specifically. Given the nature of this question I would be doubtful anyone would have the time or space to lay out the necessary train of logic here. Though I would definitely welcome any attempts.
Well thanks for reading my very long question! I can’t wait to learn more about this topic.