By the end of 2016, Merrill Lynch analysts say listings on home-renting platform Airbnb Inc. could make up as much as 1.2% of hotel offerings. But as a fast-growing startup, with an estimated 40% to 50% growth in listings per year, Airbnb listings could make up 3.6% to 4.3% of inventory by 2020, the analysts say. “Our preliminary work suggests Airbnb is a force to be reckoned with that is likely to have an increasing impact on the travel landscape,” the analysts wrote. In increasing its market share, Airbnb is expected to help the overall room supply finally meet consumer demand. That should force hotels to lower prices in order to attract guests, which caused the analysts to downgrade several large hotel owners. Get the full story at MarketWatch