Козелецкая, Татьяна Александровна. Влияние цены товара на количество совершаемых покупок [Электронный ресурс] = Influence of the price of goods on number of the made purchase / Т.А. Козелецкая, Е.А. Герман. — (Экономико-математические методы и модели). — Электрон. текстовые дан. (1 файл : 314 Кб) // Научно-технические ведомости Санкт-Петербургского государственного политехнического университета. Сер. : Экономические науки = St. Petersburg state polytechnical university journal. Economics: научное издание / М-во образования и науки Российской Федерации. – Санкт-Петербург. – 2015. – № 1 (211). — Загл. с титул. экрана. — Электронная версия печатной публикации. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Текстовый файл. — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/5337.pdf>. — <URL:http://doi.org/10.5862/JE.211.22>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2015 | Quarter 1 | 12 | 0 | 9 | 0 | 21 |
| Quarter 2 | 35 | 0 | 30 | 0 | 65 | |
| Quarter 3 | 15 | 0 | 12 | 0 | 27 | |
| Quarter 4 | 6 | 0 | 5 | 0 | 11 | |
| Year 2016 | Quarter 1 | 3 | 0 | 5 | 0 | 8 |
| Quarter 2 | 12 | 0 | 17 | 0 | 29 | |
| Quarter 3 | 1 | 0 | 1 | 0 | 2 | |
| Quarter 4 | 7 | 0 | 6 | 0 | 13 | |
| Year 2017 | Quarter 1 | 6 | 0 | 2 | 0 | 8 |
| Quarter 2 | 6 | 0 | 10 | 0 | 16 | |
| Quarter 3 | 7 | 0 | 24 | 0 | 31 | |
| Quarter 4 | 20 | 0 | 12 | 0 | 32 | |
| Year 2018 | Quarter 1 | 3 | 0 | 5 | 0 | 8 |
| Quarter 2 | 8 | 0 | 4 | 0 | 12 | |
| Quarter 3 | 8 | 0 | 9 | 0 | 17 | |
| Quarter 4 | 5 | 0 | 11 | 0 | 16 | |
| Year 2019 | Quarter 1 | 3 | 0 | 5 | 0 | 8 |
| Quarter 2 | 3 | 0 | 3 | 0 | 6 | |
| Quarter 3 | 5 | 0 | 8 | 0 | 13 | |
| Quarter 4 | 0 | 0 | 5 | 0 | 5 | |
| Year 2020 | Quarter 1 | 6 | 0 | 5 | 0 | 11 |
| Quarter 2 | 10 | 0 | 0 | 0 | 10 | |
| Quarter 3 | 7 | 0 | 0 | 0 | 7 | |
| Quarter 4 | 13 | 0 | 7 | 0 | 20 | |
| Year 2021 | Quarter 1 | 8 | 0 | 4 | 0 | 12 |
| Quarter 2 | 9 | 0 | 8 | 0 | 17 | |
| Quarter 3 | 13 | 0 | 7 | 0 | 20 | |
| Quarter 4 | 3 | 0 | 4 | 0 | 7 | |
| Year 2022 | Quarter 1 | 6 | 0 | 9 | 0 | 15 |
| Quarter 2 | 7 | 0 | 7 | 0 | 14 | |
| Quarter 3 | 13 | 0 | 7 | 0 | 20 | |
| Quarter 4 | 14 | 0 | 7 | 0 | 21 | |
| Year 2023 | Quarter 1 | 8 | 0 | 6 | 0 | 14 |
| Quarter 2 | 2 | 0 | 4 | 0 | 6 | |
| Quarter 3 | 17 | 0 | 2 | 0 | 19 | |
| Quarter 4 | 15 | 0 | 10 | 0 | 25 | |
| Year 2024 | Quarter 1 | 2 | 0 | 4 | 0 | 6 |
| Quarter 2 | 7 | 0 | 12 | 0 | 19 | |
| Quarter 3 | 18 | 0 | 10 | 0 | 28 | |
| Quarter 4 | 18 | 0 | 6 | 0 | 24 | |
| Year 2025 | Quarter 1 | 15 | 0 | 17 | 0 | 32 |
| Quarter 2 | 11 | 0 | 6 | 0 | 17 | |
| Quarter 3 | 8 | 0 | 5 | 0 | 13 | |
| Total | 395 | 0 | 330 | 0 | 725 | |