All 3 of those articles are a good read free_bee...here's one more:
Hotel RevPAR Growth Fueled by Increases in Room Rates for Q3 2013
NEW YORK – September 17, 2013 – While hotels continue to see minimal growth in occupancy, average daily rates (ADR) are increasing across all segments for the third quarter, according to data from the August 2013 TravelClick North American Hospitality Review (NAHR).