The Impact of Music Downloads and P2P File-Sharing: Appendix 3

Appendix 3: Descriptive statistics including all variables in Equations 3 and 4

Variable		Number of observations	Weighted population	Mean	Standard deviation	Min	Max
1	Number of CD albums	759	5,245,772	10	12.62	0.00	100.00
2	Log of number of CDs	759	5,245,772	2	1.14	0.00	4.62
3	Square root of number of CDs	759	5,245,772	3	1.84	0.00	10.00
4	Number of MP3s	758	5,228,315	3	10.07	0.00	100.00
5	Log of number of MP3s	758	5,228,315	0	1.00	0.00	4.62
6	Square root of MP3s	758	5,228,315	1	1.58	0.00	10.00
7	Purchased MP3s (yes/no)	759	5,245,772	0	0.42	0.00	1.00
8	Price of CDs	582	3,994,907	17	3.86	1.00	35.00
9	Album too expensive	732	5,023,728	40	37.92	0.00	100.00
10	Number P2P	759	5,245,772	3	1.27	0.00	6.22
11	Number CDs ripped	732	5,045,964	1	0.97	0.00	4.62
12	Number promotional sites	736	5,057,110	1	1.36	0.00	6.22
13	Number private websites	754	5,232,942	0	0.74	0.00	4.71
14	Number MP3s copied	740	5,151,973	1	1.36	0.00	5.99
15	Number DVDs	752	5,187,512	1	1.34	0.00	4.62
16	Number videogames	757	5,227,729	1	0.94	0.00	3.93
17	Number cinema tickets	746	5,122,926	2	1.02	0.00	4.62
18	Number concert tickets	757	5,225,216	1	0.81	0.00	3.93
19	Not elsewhere available	695	4,825,006	28	32.37	0.00	100.00
20	Not whole album	728	4,987,915	54	36.92	0.00	100.00
21	MP3 player ownership	741	5,013,259	1	0.48	0.00	1.00
22	Hear before buying	744	5,118,979	46	38.86	0.00	100.00
23	Income 10 to 20	759	5,245,772	0	0.22	0.00	1.00
24	Income 20 to 40	759	5,245,772	0	0.38	0.00	1.00
25	Income 40 to 60	759	5,245,772	0	0.40	0.00	1.00
26	Income 60 plus	759	5,245,772	1	0.50	0.00	1.00
27	Quality increased	745	5,138,030	0	0.42	0.00	1.00
28	Quality decreased	745	5,138,030	0	0.37	0.00	1.00
29	Interest very strong	758	5,244,104	0	0.50	0.00	1.00
30	Interest somewhat strong	758	5,244,104	0	0.45	0.00	1.00
31	Interest moderate	758	5,244,104	0	0.40	0.00	1.00
32	Interest somewhat low	758	5,244,104	0	0.21	0.00	1.00
33	Internet: very skilled	757	5,239,037	0	0.48	0.00	1.00
34	Internet: skilled	757	5,239,037	0	0.46	0.00	1.00
35	Internet: somewhat skilled	757	5,239,037	0	0.45	0.00	1.00
36	Internet: not very skilled	757	5,239,037	0	0.19	0.00	1.00
37	Age 15 to 19	754	5,227,540	0	0.45	0.00	1.00
38	Age 20 to 24	754	5,227,540	0	0.34	0.00	1.00
39	Age 25 to 34	754	5,227,540	0	0.44	0.00	1.00
40	Age 35 to 44	754	5,227,540	0	0.39	0.00	1.00
41	Age 45 to 54	754	5,227,540	0	0.29	0.00	1.00
42	Age 55 to 64	754	5,227,540	0	0.18	0.00	1.00
43	Gender (men=0, women=1)	759	5,245,772	0	0.48	0.00	1.00
44	Region (Quebec=0, rest=1)	759	5,245,772	1	0.42	0.00	1.00

Source: own calculations based on Decima Research survey.

Appendix 3: Descriptive statistics including all variables in Equations 3 and 4 (continued)

Variables		1	2	3	4	5	6	7	8	9	10
1	Number of CD albums	1.00
2	Log of number of CDs	0.87	1.00
3	Square root of number of CDs	0.96	0.97	1.00
4	Number of MP3s	0.06	0.09	0.08	1.00
5	Log of number of MP3s	0.05	0.09	0.08	0.83	1.00
6	Square root of MP3s	0.05	0.10	0.08	0.91	0.98	1.00
7	Purchased MP3s (yes/no)	0.05	0.10	0.08	0.52	0.81	0.75	1.00
8	Price of CDs	-0.01	-0.03	-0.02	-0.08	-0.09	-0.09	-0.08	1.00
9	Album too expensive	-0.09	-0.10	-0.10	0.02	0.05	0.04	0.08	0.04	1.00
10	Number P2P	0.26	0.27	0.28	0.02	-0.03	-0.01	-0.01	0.03	-0.04	1.00
11	Number CDs ripped	0.37	0.32	0.35	0.11	0.11	0.12	0.07	-0.05	0.06	0.28
12	Number promotional sites	0.01	0.06	0.04	0.02	0.06	0.05	0.05	-0.01	0.01	0.18
13	Number private websites	0.23	0.18	0.21	-0.02	-0.03	-0.03	-0.04	-0.09	-0.05	0.20
14	Number MP3s copied	0.20	0.16	0.18	0.08	0.02	0.04	0.03	-0.09	0.05	0.26
15	Number DVDs	0.08	0.12	0.10	0.04	0.10	0.09	0.14	-0.04	-0.07	-0.01
16	Number videogames	0.10	0.12	0.11	0.06	0.02	0.03	0.01	0.00	-0.06	0.12
17	Number cinema tickets	0.05	0.07	0.06	0.21	0.25	0.24	0.24	0.05	0.11	0.07
18	Number concert tickets	0.20	0.19	0.20	0.02	0.01	0.01	0.04	0.00	0.00	0.10
19	Not elsewhere available	0.13	0.13	0.13	0.01	0.03	0.02	0.06	0.01	0.11	0.03
20	Not whole album	-0.12	-0.10	-0.12	0.04	0.07	0.06	0.08	0.03	0.36	-0.10
21	MP3 player ownership	-0.10	-0.10	-0.10	0.06	0.13	0.12	0.19	0.05	0.07	-0.03
22	Hear before buying	0.06	0.09	0.08	0.12	0.16	0.15	0.14	0.08	0.30	0.02
23	Income 10 to 20	0.00	-0.01	-0.01	-0.06	-0.07	-0.07	-0.01	0.07	0.01	-0.03
24	Income 20 to 40	-0.03	0.01	-0.01	-0.02	-0.06	-0.05	-0.09	0.02	0.04	0.09
25	Income 40 to 60	0.06	0.04	0.05	-0.02	0.00	-0.01	-0.03	0.01	-0.13	0.03
26	Income 60 plus	0.00	-0.01	-0.01	0.07	0.09	0.09	0.11	-0.03	0.08	-0.08
27	Quality increased	-0.01	0.07	0.03	0.14	0.07	0.09	0.03	0.10	-0.03	0.07
28	Quality decreased	0.12	0.10	0.11	-0.10	-0.12	-0.12	-0.13	-0.02	0.03	0.10
29	Interest very strong	0.19	0.18	0.20	-0.01	-0.03	-0.03	-0.05	0.03	0.03	0.11
30	Interest somewhat strong	-0.04	0.00	-0.02	0.00	0.01	0.01	-0.01	0.04	-0.01	0.06
31	Interest moderate	-0.16	-0.20	-0.19	0.00	0.01	0.01	0.08	-0.11	-0.04	-0.19
32	Interest somewhat low	-0.08	-0.08	-0.09	0.03	0.06	0.05	0.01	0.03	0.06	-0.02
33	Internet: very skilled	0.09	0.10	0.10	0.08	0.07	0.08	0.07	-0.07	-0.04	0.09
34	Internet: skilled	0.02	-0.01	0.00	0.00	0.01	0.01	-0.01	0.03	0.08	0.03
35	Internet: somewhat skilled	-0.09	-0.05	-0.07	-0.07	-0.07	-0.08	-0.05	0.09	-0.02	-0.12
36	Internet: not very skilled	-0.07	-0.07	-0.08	-0.02	-0.01	-0.02	-0.01	0.01	0.03	-0.04
37	Age 15 to 19	0.02	-0.05	-0.02	-0.02	-0.03	-0.03	-0.02	0.15	0.00	0.13
38	Age 20 to 24	-0.02	-0.02	-0.02	0.06	-0.02	0.01	-0.05	-0.01	-0.04	0.13
39	Age 25 to 34	0.04	0.14	0.10	0.00	0.06	0.04	0.07	0.04	-0.01	0.06
40	Age 35 to 44	-0.01	-0.04	-0.03	0.00	0.04	0.03	0.03	-0.12	0.01	-0.22
41	Age 45 to 54	-0.03	-0.05	-0.05	-0.03	-0.04	-0.04	-0.01	-0.10	0.04	-0.14
42	Age 55 to 64	-0.03	-0.01	-0.02	-0.04	-0.06	-0.05	-0.07	-0.04	0.04	-0.02
43	Gender (men=0, women=1)	-0.14	-0.07	-0.11	-0.03	0.02	0.00	0.08	0.04	-0.02	-0.01
44	Region (Quebec=0, rest=1)	-0.01	-0.04	-0.03	0.00	-0.01	-0.01	-0.08	-0.15	0.10	-0.01

Source: own calculations based on Decima Research survey.

Appendix 3: Correlations including all variables in Equations 3 and 4 (continued)

Variables		11	12	13	14	15	16	17	18	19	20
11	Number CDs ripped	1.00
12	Number promotional sites	0.10	1.00
13	Number private websites	0.15	0.08	1.00
14	Number MP3s copied	0.36	0.13	0.26	1.00
15	Number DVDs	0.03	0.03	0.10	0.09	1.00
16	Number videogames	-0.05	0.01	0.05	-0.03	0.16	1.00
17	Number cinema tickets	0.02	0.10	0.06	0.17	0.10	0.11	1.00
18	Number concert tickets	0.14	0.01	0.12	0.25	0.01	-0.18	0.09	1.00
19	Not elsewhere available	0.08	0.01	0.00	0.09	0.06	0.02	-0.07	0.11	1.00
20	Not whole album	-0.04	-0.07	-0.06	-0.11	-0.01	0.01	0.08	-0.11	0.11	1.00
21	MP3 player ownership	0.05	0.01	-0.12	0.10	0.05	0.06	0.20	-0.08	-0.03	0.16
22	Hear before buying	0.04	0.08	0.03	0.00	0.14	-0.01	0.05	0.02	0.16	0.19
23	Income 10 to 20	-0.06	-0.02	-0.01	0.03	0.01	-0.01	0.02	0.03	-0.01	-0.04
24	Income 20 to 40	-0.03	0.11	0.09	0.03	-0.07	0.06	-0.05	0.05	0.04	-0.03
25	Income 40 to 60	0.01	-0.01	0.07	0.06	0.01	0.11	0.09	0.00	-0.07	-0.11
26	Income 60 plus	0.06	-0.07	-0.10	-0.09	0.04	-0.12	0.00	-0.01	-0.01	0.16
27	Quality increased	-0.02	0.04	-0.02	-0.07	-0.01	0.04	0.06	-0.01	-0.03	-0.05
28	Quality decreased	0.10	0.03	0.00	0.14	-0.03	0.07	0.01	0.06	0.13	-0.04
29	Interest very strong	0.15	0.06	0.07	0.25	-0.06	-0.04	-0.04	0.24	0.20	-0.05
30	Interest somewhat strong	-0.11	0.00	-0.10	-0.13	0.06	0.11	0.05	-0.15	-0.19	0.04
31	Interest moderate	-0.03	-0.06	-0.05	-0.13	0.00	-0.07	-0.04	-0.11	-0.05	-0.01
32	Interest somewhat low	-0.06	-0.03	0.18	-0.08	0.04	-0.01	0.05	-0.03	0.06	0.09
33	Internet: very skilled	0.14	0.06	0.11	0.16	0.10	0.05	0.14	0.12	0.00	-0.03
34	Internet: skilled	0.00	0.03	0.00	0.02	-0.03	-0.08	-0.01	0.01	0.13	0.08
35	Internet: somewhat skilled	-0.13	-0.07	-0.11	-0.16	-0.06	0.03	-0.07	-0.15	-0.14	-0.06
36	Internet: not very skilled	-0.07	-0.05	-0.01	-0.09	0.02	0.01	-0.09	0.03	-0.03	0.10
37	Age 15 to 19	0.08	0.01	-0.02	0.15	-0.06	0.09	0.15	-0.07	0.13	0.01
38	Age 20 to 24	-0.02	0.01	-0.04	0.11	-0.05	0.00	0.05	0.07	0.01	-0.03
39	Age 25 to 34	0.03	0.11	-0.02	-0.06	0.08	0.10	0.13	0.07	-0.03	0.03
40	Age 35 to 44	-0.05	-0.07	0.11	-0.12	-0.01	-0.12	-0.19	-0.07	-0.16	-0.05
41	Age 45 to 54	-0.10	-0.06	-0.01	-0.05	0.05	-0.04	-0.10	-0.07	0.02	0.06
42	Age 55 to 64	0.03	-0.06	-0.05	-0.10	0.00	-0.12	-0.21	0.07	0.09	0.01
43	Gender (men=0, women=1)	-0.13	0.08	-0.07	-0.12	-0.11	-0.24	0.04	-0.05	-0.06	-0.01
44	Region (Quebec=0, rest=1)	0.11	0.09	-0.04	0.04	0.01	0.07	-0.02	-0.04	0.06	0.07

Source: own calculations based on Decima Research survey.

Appendix 3: Correlations including all variables in Equations 3 and 4 (continued)

Variables		21	22	23	24	25	26	27	28	29	30
21	MP3 player ownership	1.00
22	Hear before buying	0.06	1.00
23	Income 10 to 20	-0.06	-0.07	1.00
24	Income 20 to 40	-0.07	0.08	-0.10	1.00
25	Income 40 to 60	0.04	-0.01	-0.11	-0.23	1.00
26	Income 60 plus	0.06	-0.02	-0.23	-0.49	-0.55	1.00
27	Quality increased	0.03	0.01	0.00	0.03	0.08	-0.07	1.00
28	Quality decreased	-0.04	0.00	-0.01	-0.01	0.00	0.00	-0.24	1.00
29	Interest very strong	0.09	0.01	-0.04	0.06	0.03	-0.05	-0.01	0.07	1.00
30	Interest somewhat strong	-0.08	0.05	0.06	-0.09	-0.04	0.09	0.07	-0.03	-0.64	1.00
31	Interest moderate	-0.02	-0.12	0.00	-0.01	0.04	-0.05	-0.05	-0.09	-0.45	-0.31
32	Interest somewhat low	0.02	0.14	-0.04	0.09	-0.06	0.00	-0.03	0.07	-0.16	-0.11
33	Internet: very skilled	0.15	0.07	-0.08	-0.07	-0.01	0.11	-0.04	0.03	0.25	-0.17
34	Internet: skilled	-0.10	0.01	-0.03	0.11	-0.03	-0.06	-0.04	0.05	-0.01	-0.07
35	Internet: somewhat skilled	0.02	-0.08	0.12	-0.05	0.07	-0.09	0.08	-0.08	-0.19	0.18
36	Internet: not very skilled	-0.10	0.04	0.01	0.06	-0.06	0.02	0.04	-0.07	-0.15	0.17
37	Age 15 to 19	0.21	0.00	-0.01	0.02	0.00	-0.03	0.03	-0.02	0.13	-0.05
38	Age 20 to 24	-0.06	-0.06	0.11	0.01	-0.03	-0.06	0.06	0.01	0.05	-0.02
39	Age 25 to 34	-0.06	0.04	0.02	0.06	0.08	-0.10	0.11	0.06	-0.01	0.08
40	Age 35 to 44	-0.07	0.03	-0.07	-0.05	-0.07	0.12	-0.16	-0.10	-0.07	0.00
41	Age 45 to 54	-0.03	0.00	-0.03	-0.06	0.06	0.03	-0.06	0.04	-0.04	-0.07
42	Age 55 to 64	-0.01	-0.08	-0.04	-0.05	-0.09	0.14	-0.01	0.01	-0.16	0.06
43	Gender (men=0, women=1)	-0.08	0.00	0.00	0.00	-0.02	-0.02	0.01	-0.06	-0.07	0.16
44	Region (Quebec=0, rest=1)	0.09	0.05	-0.09	-0.10	-0.03	0.14	0.02	0.13	0.07	0.01

Appendix 3: Correlations including all variables in Equations 3 and 4 (continued)

Variables		31	32	33	34	35	36	37	38	39	40
31	Interest moderate	1.00
32	Interest somewhat low	-0.08	1.00
33	Internet: very skilled	-0.14	0.05	1.00
34	Internet: skilled	0.10	-0.01	-0.53	1.00
35	Internet: somewhat skilled	0.04	-0.04	-0.45	-0.41	1.00
36	Internet: not very skilled	-0.02	-0.03	-0.14	-0.13	-0.11	1.00
37	Age 15 to 19	-0.06	-0.09	-0.03	0.07	-0.01	-0.09	1.00
38	Age 20 to 24	-0.03	-0.02	0.04	0.01	-0.07	-0.01	-0.25	1.00
39	Age 25 to 34	-0.04	-0.10	0.06	-0.08	0.02	0.05	-0.37	-0.27	1.00
40	Age 35 to 44	0.04	0.13	-0.03	0.02	0.00	-0.02	-0.29	-0.21	-0.31	1.00
41	Age 45 to 54	0.05	0.12	-0.06	-0.03	0.10	0.01	-0.17	-0.13	-0.19	-0.15
42	Age 55 to 64	0.16	-0.03	0.01	0.00	-0.07	0.16	-0.10	-0.07	-0.11	-0.08
43	Gender (men=0, women=1)	-0.07	-0.09	-0.25	0.07	0.16	0.09	-0.03	0.02	0.09	-0.02
44	Region (Quebec=0, rest=1)	-0.10	0.03	0.07	-0.07	0.01	-0.04	0.07	-0.01	-0.03	-0.02

Appendix 3: Correlations including all variables in Equations 3 and 4 (continued)

Variables		41	42	43	44
41	Age 45 to 54	1.00
42	Age 55 to 64	-0.05	1.00
43	Gender (men=0, women=1)	-0.05	-0.06	1.00
44	Region (Quebec=0, rest=1)	-0.02	0.02	-0.04	1.00

Source: own calculations based on Decima Research survey.