"purchasing pattern" is correct and usable in written English.
You can use it to describe a person's behavior when it comes to buying things, for example: "He has a distinct purchasing pattern - he only buys products from certain companies."
Specifically, a customer's friend and/or relative may affect the respondent's purchasing pattern.
If there is buying after a terrific run in a stock, however, that is a very bullish signal and is my favorite purchasing pattern.
By offering loyalty cards that are accepted at all formats, Tesco has begun to harvest invaluable data about the entire purchasing pattern of the 12 million UK customers in its loyalty program, who account for 80% of Tesco's sales revenue.
Finally, we will test whether the city of L.A. established a purchasing pattern of "checkers," thereby isolating farmers' properties in order to buy them later at a lower price.
No one really knows how much Mary will buy from FirmCo in the future, but we can make an estimate by analyzing her past purchases over some period of time, working out the purchasing pattern, and then projecting that pattern forward over some future period of time using sophisticated statistical models.
So it's a change in purchasing pattern for all the gear, but the gear is still being bought.
Amazon is responding to a shift in consumers' purchasing patterns, said Tracy Ogden, a company spokeswoman.
Yet while reluctant to alter their driving habits, New Jerseyeans' gas purchasing patterns may be changing.
At their core, behavior-change business models aim to reduce consumption, change purchasing patterns or modify daily habits.
The database should also allow the company to better analyze customer purchasing patterns and tailor its merchandising accordingly, Mr. Anderson said.
I shudder to think who all now has access to my underwear purchasing patterns.
