Isn't it possible to build a bitcoin(protocol) system with predictable inflation in the single digit percents, maybe with few negative feedback loops to keep it

Isn't it possible to build a bitcoin(protocol) system with predictable inflation in the single digit percents, maybe with few negative feedback loops to keep it there. This way the currency will be great for transactions, but ultimately unsuitable for long time value storage. It should be only slight modification and will remove a lot of the practical problems.