divided by the state's population at Bureau the beginning of the period Plant/Pop Previous period's plant in service FCC ARMIS; Census divided by the state's population Bureau FIREA Share of state employment in financial, Bureau of Economic insurance, and real estate sectors Analysis, U.S. Depart- ment of Commerce PopGrowth Population growth rate in the state over Census Bureau the relevant period Unemp Average unemployment rate over the Bureau of Labor period Statistics BusRev Average revenue per business line Gregg; Burns and Kovacs ResRev Average revenue per residential line Gregg; Burns and Kovacs Average TELRIC cost per line FCC HCPM model UNE-P Monthly lease rate for UNE-P Gregg; Burns and Kovacs; Hassett and associates CLECShare CLECs' share of access lines in the state FCC Local Competition as of December 31, 2002 Report Five dummy variables reflecting state National Regulatory regulation of Bell company: price cap, Research Institute price cap with freeze, rate of return, freeze with nonindexed cap, and deregulation Dummy variable for Bell South Dummy variable for SBC Dummy variable for Verizon Dummy variable for U S West (Qwest) CapEx/Pop = a++ a2 Plant/Pop + a3 FIREA + a4 PopGrowth + a5 Unemp + a6 BusRev + a- ResRev + ag Cost + a, UNE-P + a; Reg, + U, where U is a random disturbance term and the other variables are as defined in table A-1. The mean and standard deviation of each variable are shown in table A-2. The estimates of interest are the coefficients of Estimates of Bell Company Cumulative Expenditures Table A-2. Mean and Standard Deviation of Variables Used in Regression Analysis, 1996-2003 Standard deviation CapEx/Pop 0.065 0.126 Plant/Pop 0.917 0.327 FIREA 0.055 0.014 PopGrowth 0.082 0.065 Unemp 4.443 0.961 BusRev 41.661 13.194 ResRev 21.727 3.768 14.046 0.758 UNE-P (Kovacs) 24.885 6.608 UNE-P (Gregg-01, Zone1) 18.427 4.830 UNE-P (Gregg-01, Zone 2) 23.028 6.491 UNE-P (Gregg-02) 21.056 4.665 UNE-P (Gregg-03) 18.088 4.091 UNE-P (AT&T) 22.691 6.021 CLEC Share 12.667 4.754 PriceCap 0.449 0.503 Pr