Improving lighting efficiency is an investment in the future. Yet costs have been prohibiting many people from becoming early adaptors of energy efficient commercial lighting such as LED lighting. This is finally starting to change as we now have research that shows the costs of LED lighting is finally coming down, according to a recent report from Pike Research, LEDs will displace more than 52 percent of the global market for lamps in commercial buildings by 2021. Pike Research finds that the combination of declining prices for commercial LED lighting and the lifetimes of LED lights being so long, will have the effect of shrinking the overall value of the market.