File racd5.1st    July 1998

This file describes all data and programs for chapter 5 of

A.C. Cameron and P.K. Trivedi (1998), REGRESSION ANALYSIS OF COUNT DATA,
Econometric Society Monograph No.30, Cambridge University Press.

--------- Complete lists of chapter 5 files ---------

racd5.1st     Description of chapter 5 data and programs

racd5.asc     Formatted (and also space delimited) ascii data set.
racd5p1.lim   Limdep program that does all chapter 5 analysis 
racd5p1.out  Output from Limdep program racd5p1.lim

racd5.dat     Gauss data set with exactly same data as racd5.asc
racd5.dht     Gauss data set names
racd5p2.gau   Gauss program for Poisson PMLE on Table 5.3 p.148.
racd5p2.out   Output from Gauss program racd5p2.gau


--------- Summary of chapter 5 data  ---------

File racd5.asc has 126 observations and 14 variables.
Variables are:
    DOCNO,WEEKS,NUMBIDS,TAKEOVER,BIDPREM,INSTHOLD,SIZE,
    LEGLREST,REALREST,FINREST,REGULATN,WHTKNGHT,SIZESQ,CONSTANT
Each observation takes one line (100 columns) and is formatted as:
    F8.0,F10.6,2F5.0,3F10.6,5F5.0,F12.6,F5.0


--------- Details on chapter 5 data, including variable definitions ---------

  The original data are from Sanjiv Jaggia and Satish Thosar (1993),
  "Multiple Bids as a Consequence of Target Management Resistance"
  Review of Quantitative Finance and Accounting, 447-457.

  The data in the ascii file racd5.asc and in gauss data set racd5.dat
  on 126 firms, 14 variables per firm:

  1. DOCNO     Doc No.
  2. WEEKS     Weeks
  3. NUMBIDS   Count (Dependent Variable)
  4. TAKEOVER  Delta (1 if taken over)
  5. BIDPREM   Bid Premium
  6. INSTHOLD  Institutional Holdings
  7. SIZE      Size measured in billions
  8. LEGLREST  Legal Restructuring
  9. REALREST  Real Restructuring
  10. FINREST  Financial Restructuring
  11. REGULATN Regulation
  12. WHTKNGHT White Knight
  In addition the data set racd5.dat includes
  13. SIZESQ   Size Squared
  14. CONSTANT Unity

  The data are also used in 
  A.C. Cameron and Per Johansson (1997), 
  "Count Data Regression Models using Series Expansions: with Applications", 
  Journal of Applied Econometrics, May, Vol. 12, pp.203-223.
 

--------- Descriptive statistics for the data set racd5.asc ---------

                            Descriptive Statistics
Variable   Mean      Std. Dev.   Skew. Kurt.  Minimum     Maximum      Cases
ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
DOCNO     82174.4127   2251.7834  -0.4   2.0  78001.0000  85059.0000     126
WEEKS        11.4490      7.7114   1.8   6.5      2.8570     41.4290     126
NUMBIDS       1.7381      1.4321   2.5  12.3      0.0000     10.0000     126
TAKEOVER      1.0000      0.0000   0.0   0.0      1.0000      1.0000     126
BIDPREM       1.3468      0.1893   0.8   4.6      0.9427      2.0664     126
INSTHOLD      0.2518      0.1856   0.6   2.8      0.0000      0.9040     126
SIZE          1.2190      3.0966   5.1  31.4      0.0177     22.1690     126
LEGLREST      0.4286      0.4968   0.3   1.1      0.0000      1.0000     126
REALREST      0.1825      0.3878   1.6   3.7      0.0000      1.0000     126
FINREST       0.1032      0.3054   2.6   7.7      0.0000      1.0000     126
REGULATN      0.2698      0.4456   1.0   2.1      0.0000      1.0000     126
WHTKNGHT      0.5952      0.4928  -0.4   1.1      0.0000      1.0000     126
SIZESQ       10.9990     59.9148   7.1  54.1      0.0003    491.4646     126
CONSTANT      1.0000      0.0000   0.0   0.0      1.0000      1.0000     126