EZUNEM.DES year uclms ez d81 d82 d83 d84 d85 d86 d87 d88 c1 c2 c3 c4 c5 c6 c7 c8 c9 c10 c11 c12 c13 c14 c15 c16 c17 c18 c19 c20 c21 c22 luclms guclms cez city Obs: 198 1. year 1980 to 1988 2. uclms unemployment claims 3. ez =1 if have enterprise zone 4. d81 =1 if year == 1981 5. d82 6. d83 7. d84 8. d85 9. d86 10. d87 11. d88 12. c1 =1 if city == 1 13. c2 14. c3 15. c4 16. c5 17. c6 18. c7 19. c8 20. c9 21. c10 22. c11 23. c12 24. c13 25. c14 26. c15 27. c16 28. c17 29. c18 30. c19 31. c20 32. c21 33. c22 34. luclms log(uclms) 35. guclms luclms - luclms[t-1] 36. cez ez - ez[t-1] 37. city city number