What will be the most far-reaching effect of falling energy prices on the CRE industry in 2015?

What will be the most far-reaching effect of falling energy prices on the CRE industry in 2015?

• Construction and/or operating costs for many properties will decline dramatically.
  11%
• It will discourage energy savings initiatives.
  11%
• Real estate markets will slow in energy-boom states.
  27%
• Consumers will have more disposable cash in their pockets, which will boost retail spending.
  51%