belt!!!. now i know you are studying hurst but you must have missed this....
" I do believe that the Fed plays a huge role in the economy and is therefore part of the market cycles. That the Fed tries to manage the economy is beyond question, and if the Fed can and does manage the economy, it directly or indirectly manages the stock market."
one problem with that. these same market cycles were found in the data even before the FED came into existence.