name of dataset: crime4
no of variables: 59
no of observations: 630

+----------+---------------------------------+
| variable | label                           |
+----------+---------------------------------+
| county   | county identifier               |
| year     | 81 to 87                        |
| crmrte   | crimes committed per person     |
| prbarr   | 'probability' of arrest         |
| prbconv  | 'probability' of conviction     |
| prbpris  | 'probability' of prison sentenc |
| avgsen   | avg. sentence, days             |
| polpc    | police per capita               |
| density  | people per sq. mile             |
| taxpc    | tax revenue per capita          |
| west     | =1 if in western N.C.           |
| central  | =1 if in central N.C.           |
| urban    | =1 if in SMSA                   |
| pctmin80 | perc. minority, 1980            |
| wcon     | weekly wage, construction       |
| wtuc     | wkly wge, trns, util, commun    |
| wtrd     | wkly wge, whlesle, retail trade |
| wfir     | wkly wge, fin, ins, real est    |
| wser     | wkly wge, service industry      |
| wmfg     | wkly wge, manufacturing         |
| wfed     | wkly wge, fed employees         |
| wsta     | wkly wge, state employees       |
| wloc     | wkly wge, local gov emps        |
| mix      | offense mix: face-to-face/other |
| pctymle  | percent young male              |
| d82      | =1 if year == 82                |
| d83      | =1 if year == 83                |
| d84      | =1 if year == 84                |
| d85      | =1 if year == 85                |
| d86      | =1 if year == 86                |
| d87      | =1 if year == 87                |
| lcrmrte  | log(crmrte)                     |
| lprbarr  | log(prbarr)                     |
| lprbconv | log(prbconv)                    |
| lprbpris | log(prbpris)                    |
| lavgsen  | log(avgsen)                     |
| lpolpc   | log(polpc)                      |
| ldensity | log(density)                    |
| ltaxpc   | log(taxpc)                      |
| lwcon    | log(wcon)                       |
| lwtuc    | log(wtuc)                       |
| lwtrd    | log(wtrd)                       |
| lwfir    | log(wfir)                       |
| lwser    | log(wser)                       |
| lwmfg    | log(wmfg)                       |
| lwfed    | log(wfed)                       |
| lwsta    | log(wsta)                       |
| lwloc    | log(wloc)                       |
| lmix     | log(mix)                        |
| lpctymle | log(pctymle)                    |
| lpctmin  | log(pctmin)                     |
| clcrmrte | lcrmrte - lcrmrte[_n-1]         |
| clprbarr | lprbarr - lprbarr[_n-1]         |
| clprbcon | lprbconv - lprbconv[_n-1]       |
| clprbpri | lprbpri - lprbpri[t-1]          |
| clavgsen | lavgsen - lavgsen[t-1]          |
| clpolpc  | lpolpc - lpolpc[t-1]            |
| cltaxpc  | ltaxpc - ltaxpc[t-1]            |
| clmix    | lmix - lmix[t-1]                |
+----------+---------------------------------+

From C. Cornwell and W. Trumball (1994), “Estimating the Economic
Model of Crime with Panel Data,” Review of Economics and Statistics
76, 360-366. Professor Cornwell kindly provided the data.