Constant |
[57,
58, 60,
72, 73,
95-104] |
[32, 36,
37, 40,
41, 43,
46, 48,
49,
105-153] |
[128,
132,
139,
154-162] |
Time dependent |
[52,
57, 65,
72,
95-100] |
[36, 80,
81, 113,
127,
132,
134,
139,
163-198] |
[38,
108,
132,
139,
156,
199-222] |
stock dependent |
[56,
61, 71,
223,
224] |
[35, 44,
45, 84,
194,
196,
225-243] |
[87,
212,
214,
244-247] |
Price dependent |
[53,
61-65, 71,
91, 92,
223,
248,
249] |
[39, 42,
45, 47,
50, 80-86,
88, 128,
164,
167,
174-176,
178,
179,
191,
230-233,
235,
240,
242,
250-261] |
[38, 89,
93, 94,
128,
218,
244,
245,
247,
255,
262-271] |
Function of other marketing factors |
[52-54,
56, 59,
61-64, 71,
90-92] |
[47, 50,
75, 80-86,
88] |
[76-79,
87, 89,
93,
94] |
Uncertain |
[8,
34, 51,
55, 66-70,
73, 74,
90,
272-322] |
[32, 33,
35, 112,
323-333] |
[282,
297,
334-347] |