There's a fickleness to hotel ownership and investment; it changes based on market conditions and other factors such as interest rates and buy-sell spreads. Andreas Löcher, head of hotel investments at Union Investment Real Estate, knows this all too well. It's his job to try and make sense of it all, and understand the trends and fads that impact the global hospitality industry. We caught up with Löcher ahead of March's International Hotel Investment Forum (IHIF), in Berlin,