In most other types of real estate, when the market recovers, rents go up and concessions go down. However, this office market may be different. This Compstak chart compares WLA office market rents and concessions in 2010 and 2014. Rents have risen but so have average tis and free rent. As on explanation, many investment companies are pushing now to get higher contract rates by maintaining or even increasing tenant improvement and free rent. These companies can then achieve higher appraisal values, refinancing proceeds, or sales prices.