I read some old threads about lost Bitcoins ND this question has been on my mind ever since
If the lost Bitcoins were for instance recovered will the price of Bitcoin drop because in theory it would affect the amount of Bitcoin in circulation which will lower it's price . I saw in those threads that lost Bitcoins are considered a donation to the Bitcoin network. so if my theory is correct then we should be happy those Bitcoins were lost.
The cause of the loss of bitcoins is caused by several things, cases of hacking and loss of storage wallet access. If the trait is lost, but can eventually recover it means it will never disappear. The price of bitcoin is not determined by a single event and there are many things that might influence it. For example, such as demand and supply as a general basis whenever something is traded and there is always a bargaining value that applies in the market.
No one likes it if the bitcoin they have is lost, so therefore everyone must be able to secure the bitcoin they have by storing it in a safe place. There are wallets that can make bitcoins safe to store and all you need to do is learn how to use them.