The Daily Caller cites Trey Kovacs study on the costs of "official time" for the federal government and taxpayers.
The practice also exists on the federal level where it is known as official time. Trey Kovacs, a policy analyst at the Competitive Enterprise Institute, found it cost the federal government at least $1 billion between 1998 and 2013. The exact amount may be much higher due to inaccurate recordkeeping and a lack of transparency.
Read the full article at the Daily Caller.