I meant that people started to hold STEEM assets (SBD, SP, STEEM). Because, the more SP you have, the more SBD and STEEM you can earn and now you have interest on SBD! People might trade between STEEM assets but they have a little incentive of 0.01% SBD interest.

Kindly recommend you document yourself on economics science, for example this book: Inflation: What It Is and How It Works (Economics in the 21st Century)