In a macroeconomic scale, if money is removed from the economy, then that means the remaining currency must hold the value needed. For now, with Bitcoin, about $2M worth of Bitcoin is being printed every day, and I doubt it's being lost at that rate.
https://en.bitcoin.it/wiki/Myths#Lost_coins_can.27t_be_replaced_and_this_is_bad
Perfectly explains it.....So people loosing coins increase value of all other coins.....that...is genius and amazing at the same time but yet scary for ones who store their wallets in USB's offline as its able to be lost quite easily.
Encrypt your privatekey with PGP, print it, store it in different places and be happy